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Palaeocopida ✝

Photos

Photo Gallery

Description

Palaeocopida is an extinct order of ostracods in the subclass Podocopas. The Manawa and Puncia genera are the only ones with living species

From Wikipedia article at https://en.wikipedia.org/wiki/Palaeocopida, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	371	https://www.gbif.org/species/371
PaleoBioDB ID (PBDB)	22961	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=22961

Rank

order

Taxonomy (GBIF,PBDB)

Life : Animalia : Arthropoda : Ostracoda : Palaeocopida

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Ecdysozoa
-	Panarthropoda
phylum	Arthropoda	Latreille 1829
subphylum	Mandibulata
-	Pancrustacea
subphylum	Crustacea	Brünnich 1772
class	Ostracoda	Latreille 1802
subclass	Podocopa	Sars 1865
order	Palaeocopida	Henningsmoen 1953

Scientific Name

Palaeocopida

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Palaeocopida	order	belongs to Ostracoda	stated with evidence	Benson et al., 1961
Palaeocopida	order	belongs to Ostracoda	stated without evidence	Bengtson, 1992
Palaeocopida	order	belongs to Ostracoda	second hand	Sepkoski, 2002
Palaeocopida	order	belongs to Podocopa	stated with evidence	Crasquin, 2008

Status (PBDB)

extinct

Taxon Size (PBDB)

1,006

First Recorded Appearance

488 - 485 Ma
Paleozoic

Last Recorded Appearance

93.9 - 66.0 Ma
Late/Upper Cretaceous

Environment

hypersaline,marine,brackish,freshwater (based on Ostracoda)

Motility

actively mobile (based on Ostracoda)

Vision

limited (based on Ostracoda)

Diet

suspension feeder

Taphonomy

low Mg calcite (based on Ostracoda)

Primary Reference (PBDB)

J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560

Wikipedia

https://en.wikipedia.org/wiki/Palaeocopida

External Images

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Beyrichicopina ✝ suborder	listed (PBDB)		1,958	485 Ma Cambrian	235 Ma Late/Upper Triassic
Hollinomorpha ✝ suborder	listed (PBDB)		2	279 Ma Permian	260 Ma Permian
Kirkbyocopina ✝ suborder	listed (PBDB)		3	299 Ma Carboniferous	260 Ma Permian
Palaeocopina ✝ suborder	listed (PBDB)
Tribolbinacea ✝ superfamily	listed (PBDB)		7	345 Ma Carboniferous	260 Ma Permian
Aechminellidae ✝ family	accepted (GBIF) listed (PBDB)		7	423 Ma Silurian	279 Ma Permian
Aechminidae ✝ family	accepted (GBIF) listed (PBDB)		132	478 Ma Early/Lower Ordovician	290 Ma Permian
Amphissitidae ✝ family	accepted (GBIF) listed (PBDB)		237	403 Ma Early/Lower Devonian	252 Ma Permian
Aparchitidae ✝ family	accepted (GBIF) listed (PBDB)		222	472 Ma Early/Lower Ordovician	254 Ma Permian
Arcyzonidae ✝ family	accepted (GBIF) listed (PBDB)		1	409 Ma Early/Lower Devonian	409 Ma Early/Lower Devonian
Barychilinidae family	accepted (GBIF)	No associated record in PBDB
Bassleratiidae ✝ family	listed (PBDB)
Beyrichiidae ✝ family	accepted (GBIF) listed (PBDB)		290	461 Ma Middle Ordovician	254 Ma Permian
Beyrichiopsidae ✝ family	accepted (GBIF) listed (PBDB)		6	254 Ma Permian	254 Ma Permian
Beyrichopsidae ✝ family	accepted (GBIF) listed (PBDB)
Bolliidae ✝ family	accepted (GBIF) listed (PBDB)		242	470 Ma Middle Ordovician	260 Ma Permian
Bubnoffiopsidae family	accepted (GBIF)	No associated record in PBDB
Cardiniferellidae family	accepted (GBIF)	No associated record in PBDB
Cherskiellidae family	accepted (GBIF)	No associated record in PBDB
Circulinidae family	accepted (GBIF)	No associated record in PBDB
Coelonellidae ✝ family	accepted (GBIF) listed (PBDB)		55	470 Ma Middle Ordovician	254 Ma Permian
Coronakirkbyidae ✝ family	accepted (GBIF) listed (PBDB)		3	299 Ma Carboniferous	260 Ma Permian
Craspedobolbinidae family	accepted (GBIF)	No associated record in PBDB
Ctenonotellidae ✝ family	accepted (GBIF) listed (PBDB)		1	458 Ma Late/Upper Ordovician	458 Ma Late/Upper Ordovician
Dolborellidae family	accepted (GBIF)	No associated record in PBDB
Drepanellidae ✝ family	accepted (GBIF) listed (PBDB)		46	461 Ma Middle Ordovician	260 Ma Permian
Egorovellidae family	accepted (GBIF)	No associated record in PBDB
Euprimitiidae family	accepted (GBIF)	No associated record in PBDB
Eurychilinidae ✝ family	accepted (GBIF) listed (PBDB)		164	485 Ma Cambrian	260 Ma Permian
Garcianidae family	accepted (GBIF)	No associated record in PBDB
Glyptopleuridae ✝ family	accepted (GBIF) listed (PBDB)		19	354 Ma Carboniferous	157 Ma Jurassic
Graviidae family	accepted (GBIF)	No associated record in PBDB
Hollinellidae ✝ family	accepted (GBIF) listed (PBDB)		282	443 Ma Silurian	252 Ma Permian
Hollinidae ✝ family	accepted (GBIF) listed (PBDB)		6	450 Ma Late/Upper Ordovician	299 Ma Carboniferous
Ikeyaparchitidae ✝ family	accepted (GBIF) listed (PBDB)		1	265 Ma Permian	265 Ma Permian
Indivisiidae ✝ family	accepted (GBIF) listed (PBDB)		34	380 Ma Late/Upper Devonian	254 Ma Permian
Kellettinidae ✝ family	accepted (GBIF) listed (PBDB)		49	359 Ma Late/Upper Devonian	254 Ma Permian
Kirkbyellidae ✝ family	accepted (GBIF) listed (PBDB)		59	450 Ma Late/Upper Ordovician	260 Ma Permian
Kirkbyidae ✝ family	accepted (GBIF) listed (PBDB)		440	372 Ma Late/Upper Devonian	235 Ma Late/Upper Triassic
Kloedcytherellidae family	accepted (GBIF)	No associated record in PBDB
Kloedenellidae ✝ family	accepted (GBIF) listed (PBDB)		56	468 Ma Middle Ordovician	252 Ma Permian
Knoxitidae ✝ family	accepted (GBIF) listed (PBDB)		163	419 Ma Early/Lower Devonian	252 Ma Permian
Leperditellidae ✝ family	accepted (GBIF) listed (PBDB)		29	485 Ma Early/Lower Ordovician	461 Ma Middle Ordovician
Lomatopisthiidae family	accepted (GBIF)	No associated record in PBDB
Miltonellidae ✝ family	accepted (GBIF) listed (PBDB)		8	296 Ma Permian	260 Ma Permian
Monotiopleuridae family	accepted (GBIF)	No associated record in PBDB
Nodellidae family	accepted (GBIF)	No associated record in PBDB
Oepikellidae family	accepted (GBIF)	No associated record in PBDB
Oepikiidae family	accepted (GBIF)	No associated record in PBDB
Paraparchitidae ✝ family	accepted (GBIF) listed (PBDB)		509	470 Ma Middle Ordovician	247 Ma Early/Lower Triassic
Parvikirkbyiidae ✝ family	accepted (GBIF) listed (PBDB)		10	260 Ma Permian	260 Ma Permian
Perprimitiidae ✝ family	accepted (GBIF) listed (PBDB)		3	260 Ma Permian	260 Ma Permian
Placideidae ✝ family	accepted (GBIF) listed (PBDB)		3	296 Ma Permian	269 Ma Permian
Primitiidae ✝ family	accepted (GBIF) listed (PBDB)		143	485 Ma Cambrian	279 Ma Permian
Primitiopsidae ✝ family	accepted (GBIF) listed (PBDB)
Pseudoparaparchitidae ✝ family	accepted (GBIF) listed (PBDB)		1	260 Ma Permian	260 Ma Permian
Quadrijugatoridae family	accepted (GBIF)	No associated record in PBDB
Richinidae family	accepted (GBIF)	No associated record in PBDB
Sarvinidae family	accepted (GBIF)	No associated record in PBDB
Scrobiculidae ✝ family	accepted (GBIF) listed (PBDB)		108	388 Ma Middle Devonian	252 Ma Permian
Serenididae ✝ family	accepted (GBIF) listed (PBDB)
Soanellidae family	accepted (GBIF)	No associated record in PBDB
Spinigeritidae ✝ family	accepted (GBIF) listed (PBDB)
Tetradellidae ✝ family	accepted (GBIF) listed (PBDB)		224	485 Ma Early/Lower Ordovician	393 Ma Early/Lower Devonian
Treposellidae family	accepted (GBIF)	No associated record in PBDB
Tribolbinidae ✝ family	accepted (GBIF) listed (PBDB)		7	345 Ma Carboniferous	260 Ma Permian
Tricorninidae ✝ family	accepted (GBIF) listed (PBDB)		3	315 Ma Carboniferous	260 Ma Permian
Tvaerenellidae family	accepted (GBIF)	No associated record in PBDB
Tvaeronellidae family	accepted (GBIF)	No associated record in PBDB
Ventrygyridae family	accepted (GBIF)	No associated record in PBDB
Youngiellidae ✝ family	accepted (GBIF) listed (PBDB)		116	409 Ma Early/Lower Devonian	254 Ma Permian
Zygobolbidae ✝ family	accepted (GBIF) listed (PBDB)		319	461 Ma Middle Ordovician	433 Ma Silurian
Abditoloculina ✝ genus	accepted (GBIF) listed (PBDB)		5	409 Ma Early/Lower Devonian	403 Ma Early/Lower Devonian
Acanthobolbina ✝ genus	accepted (GBIF) listed (PBDB)		2	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Acravincula ✝ genus	doubtful (GBIF) listed (PBDB)
Actinochilina ✝ genus	doubtful (GBIF) listed (PBDB)		7	466 Ma Middle Ordovician	458 Ma Late/Upper Ordovician
Adamczakites ✝ genus	doubtful (GBIF) listed (PBDB)
Adelphobolbina ✝ genus	accepted (GBIF) listed (PBDB)		8	388 Ma Middle Devonian	388 Ma Middle Devonian
Admirabilinella ✝ genus	doubtful (GBIF) listed (PBDB)
Aetholicotoxotis ✝ genus	doubtful (GBIF) listed (PBDB)		1	431 Ma Silurian	431 Ma Silurian
Ahlintella ✝ genus	accepted (GBIF) listed (PBDB)
Airina ✝ genus	doubtful (GBIF) listed (PBDB)		2	456 Ma Late/Upper Ordovician	452 Ma Late/Upper Ordovician
Aitilia ✝ genus	accepted (GBIF) listed (PBDB)
Ajchalina ✝ genus	doubtful (GBIF) listed (PBDB)
Akkermites ✝ genus	doubtful (GBIF) listed (PBDB)
Alakolites ✝ genus	doubtful (GBIF) listed (PBDB)		1	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Alaskabolbina ✝ genus	accepted (GBIF) listed (PBDB)
Aloculatia ✝ genus	doubtful (GBIF) listed (PBDB)
Altaecypris ✝ genus	doubtful (GBIF) listed (PBDB)
Alveolella ✝ genus	doubtful (GBIF) listed (PBDB)		2	426 Ma Silurian	423 Ma Silurian
Amerigobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Amphisella ✝ genus	doubtful (GBIF) listed (PBDB)		1	443 Ma Silurian	443 Ma Silurian
Amphitoxotis ✝ genus	doubtful (GBIF) listed (PBDB)		1	431 Ma Silurian	431 Ma Silurian
Amphizona ✝ genus	doubtful (GBIF) listed (PBDB)		4	388 Ma Middle Devonian	388 Ma Middle Devonian
Ampletochilina ✝ genus	doubtful (GBIF) listed (PBDB)
Amygdalella ✝ genus	accepted (GBIF) listed (PBDB)		6	426 Ma Silurian	423 Ma Silurian
Antiaechmia ✝ genus	doubtful (GBIF) listed (PBDB)
Anticostiella ✝ genus	doubtful (GBIF) listed (PBDB)
Antischmidtella ✝ genus	doubtful (GBIF) listed (PBDB)
Aparchitella ✝ genus	doubtful (GBIF) listed (PBDB)		54	466 Ma Middle Ordovician	452 Ma Late/Upper Ordovician
Aparchitellina ✝ genus	doubtful (GBIF) listed (PBDB)		6	419 Ma Early/Lower Devonian	409 Ma Early/Lower Devonian
Aparchites ✝ genus	accepted (GBIF) listed (PBDB)		142	472 Ma Early/Lower Ordovician	272 Ma Permian
Apatochilina ✝ genus	accepted (GBIF) listed (PBDB)		3	470 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Arcyzona ✝ genus	accepted (GBIF) listed (PBDB)		1	393 Ma Early/Lower Devonian	393 Ma Early/Lower Devonian
Ardennea ✝ genus	doubtful (GBIF) listed (PBDB)
Arikloedenia ✝ genus	accepted (GBIF) listed (PBDB)
Arsiriina ✝ genus	doubtful (GBIF) listed (PBDB)
Atterdagia ✝ genus	doubtful (GBIF) listed (PBDB)
Australobollia ✝ genus	doubtful (GBIF) listed (PBDB)		2	427 Ma Silurian	423 Ma Silurian
Balantoides ✝ genus	accepted (GBIF) listed (PBDB)		8	388 Ma Middle Devonian	339 Ma Carboniferous
Ballardina ✝ genus	accepted (GBIF) listed (PBDB)		3	472 Ma Early/Lower Ordovician	467 Ma Middle Ordovician
Balticella ✝ genus	accepted (GBIF) listed (PBDB)		3	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Baltonotella ✝ genus	accepted (GBIF) listed (PBDB)		7	466 Ma Middle Ordovician	458 Ma Middle Ordovician
Barrosina ✝ genus	doubtful (GBIF) listed (PBDB)
Barymepton ✝ genus	doubtful (GBIF) listed (PBDB)
Bassleratia ✝ genus	accepted (GBIF) listed (PBDB)		8	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Bellornatia ✝ genus	accepted (GBIF) listed (PBDB)		11	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Berdanopis ✝ genus	doubtful (GBIF) listed (PBDB)
Berolinella ✝ genus	accepted (GBIF) listed (PBDB)		3	426 Ma Silurian	423 Ma Silurian
Beyrichiella ✝ genus	accepted (GBIF) listed (PBDB)		1	354 Ma Carboniferous	354 Ma Carboniferous
Beyrichiopsis ✝ genus	accepted (GBIF) listed (PBDB)
Bicornellina ✝ genus	doubtful (GBIF) listed (PBDB)
Bideirella ✝ genus	doubtful (GBIF) listed (PBDB)		1	388 Ma Middle Devonian	388 Ma Middle Devonian
Binodella ✝ genus	doubtful (GBIF) listed (PBDB)
Binodina ✝ genus	doubtful (GBIF) listed (PBDB)
Bisacculus ✝ genus	doubtful (GBIF) listed (PBDB)
Bisphenella ✝ genus	doubtful (GBIF) listed (PBDB)
Bodenia ✝ genus	doubtful (GBIF) listed (PBDB)		22	470 Ma Middle Ordovician	461 Ma Middle Ordovician
Bodeniella ✝ genus	doubtful (GBIF) listed (PBDB)
Bohemobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Bolbilithis ✝ genus	doubtful (GBIF) listed (PBDB)
Bolbopisthia ✝ genus	accepted (GBIF) listed (PBDB)		20	468 Ma Middle Ordovician	458 Ma Middle Ordovician
Bolliaphores ✝ genus	doubtful (GBIF) listed (PBDB)
Bonneprimites ✝ genus	accepted (GBIF) listed (PBDB)
Borcobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Botulobolbina ✝ genus	accepted (GBIF) listed (PBDB)
Braderupia ✝ genus	doubtful (GBIF) listed (PBDB)
Brephocharieis ✝ genus	doubtful (GBIF) listed (PBDB)		1	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Brevibolbina ✝ genus	accepted (GBIF) listed (PBDB)		4	461 Ma Middle Ordovician	452 Ma Late/Upper Ordovician
Brevidorsa ✝ genus	accepted (GBIF) listed (PBDB)
Brevisulcina ✝ genus	doubtful (GBIF) listed (PBDB)
Bromidella ✝ genus	accepted (GBIF) listed (PBDB)		22	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Bubnoffiopsis ✝ genus	doubtful (GBIF) listed (PBDB)
Bucerella ✝ genus	doubtful (GBIF) listed (PBDB)
Bucerobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Buekkella ✝ genus	accepted (GBIF) listed (PBDB)		6	290 Ma Permian	252 Ma Permian
Bulbosulculus ✝ genus	doubtful (GBIF) listed (PBDB)
Bullaeferum ✝ genus	doubtful (GBIF) listed (PBDB)
Bullatella ✝ genus	doubtful (GBIF) listed (PBDB)		9	461 Ma Middle Ordovician	419 Ma Early/Lower Devonian
Buregia ✝ genus	accepted (GBIF) listed (PBDB)		7	388 Ma Middle Devonian	279 Ma Permian
Byrsolopsina ✝ genus	accepted (GBIF) listed (PBDB)		35	470 Ma Middle Ordovician	461 Ma Middle Ordovician
Caprabolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Carboprimita ✝ genus	doubtful (GBIF) listed (PBDB)
Cardiniferella ✝ genus	accepted (GBIF) listed (PBDB)
Carinobolbina ✝ genus	listed (PBDB)
Carinokloedenia ✝ genus	doubtful (GBIF) listed (PBDB)		1	419 Ma Early/Lower Devonian	419 Ma Early/Lower Devonian
Carubaknightina ✝ genus	doubtful (GBIF) listed (PBDB)
Cavhithis ✝ genus	doubtful (GBIF) listed (PBDB)
Cavopleura ✝ genus	doubtful (GBIF) listed (PBDB)
Cemalia ✝ genus	doubtful (GBIF) listed (PBDB)
Ceratobolbina ✝ genus	accepted (GBIF) listed (PBDB)
Ceratopsis ✝ genus	accepted (GBIF) listed (PBDB)		58	470 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Cerninella ✝ genus	accepted (GBIF) listed (PBDB)		5	467 Ma Middle Ordovician	458 Ma Middle Ordovician
Cershiites ✝ genus	doubtful (GBIF) listed (PBDB)
Charitoxotis ✝ genus	doubtful (GBIF) listed (PBDB)		1	431 Ma Silurian	431 Ma Silurian
Cherskiella ✝ genus	doubtful (GBIF) listed (PBDB)
Chesterella ✝ genus	doubtful (GBIF) listed (PBDB)
Chironiptrum ✝ genus	accepted (GBIF) listed (PBDB)		1	388 Ma Middle Devonian	388 Ma Middle Devonian
Cincinnaticoncha ✝ genus	doubtful (GBIF) listed (PBDB)
Circulina ✝ genus	accepted (GBIF) listed (PBDB)		26	209 Ma Late/Upper Triassic	93.9 Ma Late/Upper Cretaceous
Clavofabella ✝ genus	accepted (GBIF) listed (PBDB)		3	427 Ma Silurian	419 Ma Early/Lower Devonian
Clavofabellina ✝ genus	doubtful (GBIF) listed (PBDB)		6	423 Ma Silurian	409 Ma Early/Lower Devonian
Clintiella ✝ genus	accepted (GBIF) listed (PBDB)		1	423 Ma Silurian	423 Ma Silurian
Coelochilina ✝ genus	accepted (GBIF) listed (PBDB)		19	467 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Coeloenellina ✝ genus	accepted (GBIF) listed (PBDB)		25	466 Ma Middle Ordovician	388 Ma Middle Devonian
Colacchilina ✝ genus	doubtful (GBIF) listed (PBDB)
Collibolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Concavhithis ✝ genus	accepted (GBIF) listed (PBDB)
Conchoprimitella ✝ genus	doubtful (GBIF) listed (PBDB)
Conchoprimites ✝ genus	accepted (GBIF) listed (PBDB)		2	466 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Consonopsis ✝ genus	accepted (GBIF) listed (PBDB)
Conspicillum ✝ genus	doubtful (GBIF) listed (PBDB)
Copelandella ✝ genus	doubtful (GBIF) listed (PBDB)
Copelandia ✝ genus	doubtful (GBIF) listed (PBDB)
Coronakirkbya ✝ genus	accepted (GBIF) listed (PBDB)		3	299 Ma Carboniferous	260 Ma Permian
Costaegera ✝ genus	doubtful (GBIF) listed (PBDB)		4	443 Ma Silurian	443 Ma Silurian
Costokloedenia ✝ genus	doubtful (GBIF) listed (PBDB)
Craspedobolbina ✝ genus	accepted (GBIF) listed (PBDB)		16	439 Ma Silurian	423 Ma Silurian
Crenabolina ✝ genus	doubtful (GBIF) listed (PBDB)
Crescentilla ✝ genus	doubtful (GBIF) listed (PBDB)		5	461 Ma Middle Ordovician	456 Ma Late/Upper Ordovician
Cryptoglytopleura ✝ genus	doubtful (GBIF) listed (PBDB)
Cryptophyllus ✝ genus	accepted (GBIF) listed (PBDB)		57	479 Ma Early/Lower Ordovician	376 Ma Late/Upper Devonian
Ctenobolbina ✝ genus	accepted (GBIF) listed (PBDB)		37	485 Ma Cambrian	423 Ma Silurian
Ctenoloculina ✝ genus	accepted (GBIF) listed (PBDB)		24	409 Ma Early/Lower Devonian	388 Ma Middle Devonian
Ctenonotella ✝ genus	accepted (GBIF) listed (PBDB)
Ctenonotella ✝ genus	listed (PBDB)
Cubitosulcus ✝ genus	doubtful (GBIF) listed (PBDB)
Cubtosulcus ✝ genus	doubtful (GBIF) listed (PBDB)
Cymabolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Cystomatochilina ✝ genus	accepted (GBIF) listed (PBDB)
Damiriella ✝ genus	doubtful (GBIF) listed (PBDB)
Dawania ✝ genus	doubtful (GBIF) listed (PBDB)		1	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Decorella ✝ genus	doubtful (GBIF) listed (PBDB)
Deefgella ✝ genus	accepted (GBIF) listed (PBDB)
Deloia ✝ genus	doubtful (GBIF) listed (PBDB)		1	331 Ma Carboniferous	331 Ma Carboniferous
Dibolbopisthia ✝ genus	doubtful (GBIF) listed (PBDB)
Diceratobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Dicranella ✝ genus	accepted (GBIF) listed (PBDB)		60	461 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Dictyotoxotis ✝ genus	doubtful (GBIF) listed (PBDB)
Dilobella ✝ genus	accepted (GBIF) listed (PBDB)		10	479 Ma Early/Lower Ordovician	439 Ma Silurian
Eoaquapulex ✝ genus	accepted (GBIF) listed (PBDB)		16	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Disculcina ✝ genus	doubtful (GBIF) listed (PBDB)
Disparigonya ✝ genus	doubtful (GBIF) listed (PBDB)
Distobolbina ✝ genus	accepted (GBIF) listed (PBDB)		5	461 Ma Middle Ordovician	452 Ma Late/Upper Ordovician
Disulcinoides ✝ genus	doubtful (GBIF) listed (PBDB)
Dogoriella ✝ genus	doubtful (GBIF) listed (PBDB)		2	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Dolborella ✝ genus	doubtful (GBIF) listed (PBDB)		42	461 Ma Middle Ordovician	452 Ma Late/Upper Ordovician
Dolichoscaphoides ✝ genus	accepted (GBIF) listed (PBDB)
Domaszevicella ✝ genus	doubtful (GBIF) listed (PBDB)
Dominina ✝ genus	doubtful (GBIF) listed (PBDB)
Donellina ✝ genus	doubtful (GBIF) listed (PBDB)
Doraclatum ✝ genus	doubtful (GBIF) listed (PBDB)		3	388 Ma Middle Devonian	345 Ma Carboniferous
Drepanella ✝ genus	accepted (GBIF) listed (PBDB)		12	461 Ma Middle Ordovician	388 Ma Middle Devonian
Dulkumella ✝ genus	doubtful (GBIF) listed (PBDB)
Duplexibollia ✝ genus	doubtful (GBIF) listed (PBDB)
Duplicristatia ✝ genus	accepted (GBIF) listed (PBDB)
Duringia ✝ genus	accepted (GBIF) listed (PBDB)
Easchmidtella ✝ genus	accepted (GBIF) listed (PBDB)
Echinoprimitia ✝ genus	accepted (GBIF) listed (PBDB)		2	468 Ma Middle Ordovician	461 Ma Middle Ordovician
Ectodemites ✝ genus	accepted (GBIF) listed (PBDB)		8	339 Ma Carboniferous	265 Ma Permian
Ectoprimitia ✝ genus	accepted (GBIF) listed (PBDB)		7	472 Ma Early/Lower Ordovician	458 Ma Late/Upper Ordovician
Ectoprimitioides ✝ genus	accepted (GBIF) listed (PBDB)
Edenopsis ✝ genus	doubtful (GBIF) listed (PBDB)
Effeminatopleura ✝ genus	doubtful (GBIF) listed (PBDB)
Egorovella ✝ genus	doubtful (GBIF) listed (PBDB)		20	467 Ma Middle Ordovician	461 Ma Middle Ordovician
Egorvellina ✝ genus	doubtful (GBIF) listed (PBDB)
Ehlersia ✝ genus	doubtful (GBIF) listed (PBDB)		1	443 Ma Silurian	443 Ma Silurian
Elenamarginia ✝ genus	accepted (GBIF) listed (PBDB)
Ellipsella ✝ genus	accepted (GBIF) listed (PBDB)		11	307 Ma Carboniferous	290 Ma Permian
Embryotoxotis ✝ genus	doubtful (GBIF) listed (PBDB)
Eoaquapulex ✝ genus	listed (PBDB)		1	458 Ma Middle Ordovician	458 Ma Middle Ordovician
Eochilina ✝ genus	doubtful (GBIF) listed (PBDB)
Eocytherella ✝ genus	doubtful (GBIF) listed (PBDB)
Eographiodactylus ✝ genus	accepted (GBIF) listed (PBDB)
Eohollina ✝ genus	accepted (GBIF) listed (PBDB)		5	468 Ma Middle Ordovician	461 Ma Middle Ordovician
Eokloedenia ✝ genus	doubtful (GBIF) listed (PBDB)		4	423 Ma Silurian	419 Ma Early/Lower Devonian
Eolomatella ✝ genus	accepted (GBIF) listed (PBDB)
Equicastanea ✝ genus	doubtful (GBIF) listed (PBDB)
Ertangia ✝ genus	doubtful (GBIF) listed (PBDB)
Estoniops ✝ genus	listed (PBDB)		1	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Euprimites ✝ genus	listed (PBDB)		61	466 Ma Middle Ordovician	453 Ma Late/Upper Ordovician
Euprimitia ✝ genus	accepted (GBIF) listed (PBDB)		61	479 Ma Early/Lower Ordovician	450 Ma Late/Upper Ordovician
Eurekabolbina ✝ genus	accepted (GBIF) listed (PBDB)
Eurocyamus ✝ genus	doubtful (GBIF) listed (PBDB)
Europisthia ✝ genus	doubtful (GBIF) listed (PBDB)
Eurychilina ✝ genus	accepted (GBIF) listed (PBDB)		165	472 Ma Early/Lower Ordovician	443 Ma Silurian
Evlanella ✝ genus	accepted (GBIF) listed (PBDB)		14	419 Ma Early/Lower Devonian	388 Ma Middle Devonian
Fallaticella ✝ genus	doubtful (GBIF) listed (PBDB)
Hollinella ✝ genus	accepted (GBIF) listed (PBDB)		2	388 Ma Middle Devonian	388 Ma Middle Devonian
Famenella ✝ genus	doubtful (GBIF) listed (PBDB)		12	380 Ma Late/Upper Devonian	376 Ma Late/Upper Devonian
Fellerites ✝ genus	doubtful (GBIF) listed (PBDB)		5	419 Ma Early/Lower Devonian	279 Ma Permian
Femerensia ✝ genus	accepted (GBIF) listed (PBDB)
Fidelitella ✝ genus	doubtful (GBIF) listed (PBDB)		42	466 Ma Middle Ordovician	464 Ma Middle Ordovician
Fiorella ✝ genus	doubtful (GBIF) listed (PBDB)
Flaccivelum ✝ genus	doubtful (GBIF) listed (PBDB)
Foramenella ✝ genus	accepted (GBIF) listed (PBDB)
Foveaprimitella ✝ genus	doubtful (GBIF) listed (PBDB)
Fuscinites ✝ genus	doubtful (GBIF) listed (PBDB)
Fuscinullina ✝ genus	doubtful (GBIF) listed (PBDB)
Gannibeyrichia ✝ genus	doubtful (GBIF) listed (PBDB)		2	423 Ma Silurian	423 Ma Silurian
Garniella ✝ genus	accepted (GBIF) listed (PBDB)		2	433 Ma Silurian	427 Ma Silurian
Gebeckeria ✝ genus	doubtful (GBIF) listed (PBDB)
Geffenites ✝ genus	accepted (GBIF) listed (PBDB)
Gellensia ✝ genus	accepted (GBIF) listed (PBDB)
Giandites ✝ genus	doubtful (GBIF) listed (PBDB)
Gibba ✝ genus	doubtful (GBIF) listed (PBDB)
Glezeria ✝ genus	doubtful (GBIF) listed (PBDB)
Glimmatobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Glyptopleurella ✝ genus	doubtful (GBIF) listed (PBDB)
Glyptopleuroides ✝ genus	accepted (GBIF) listed (PBDB)
Gongylostonyx ✝ genus	doubtful (GBIF) listed (PBDB)		1	431 Ma Silurian	431 Ma Silurian
Gotula ✝ genus	accepted (GBIF) listed (PBDB)
Gracquina ✝ genus	doubtful (GBIF) listed (PBDB)		2	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Gramella ✝ genus	accepted (GBIF) listed (PBDB)
Grammolomatella ✝ genus	doubtful (GBIF) listed (PBDB)		3	458 Ma Middle Ordovician	439 Ma Silurian
Gravia ✝ genus	doubtful (GBIF) listed (PBDB)		7	384 Ma Middle Devonian	380 Ma Late/Upper Devonian
Gryphiswaldensia ✝ genus	doubtful (GBIF) listed (PBDB)
Guberites ✝ genus	doubtful (GBIF) listed (PBDB)
Guerichiella ✝ genus	accepted (GBIF) listed (PBDB)		4	409 Ma Early/Lower Devonian	359 Ma Late/Upper Devonian
Gyrgathella ✝ genus	accepted (GBIF) listed (PBDB)
Hallatia ✝ genus	accepted (GBIF) listed (PBDB)		21	461 Ma Middle Ordovician	458 Ma Middle Ordovician
Hanaites ✝ genus	accepted (GBIF) listed (PBDB)		15	419 Ma Early/Lower Devonian	388 Ma Middle Devonian
Haplobolbina ✝ genus	accepted (GBIF) listed (PBDB)
Haploprimitia ✝ genus	accepted (GBIF) listed (PBDB)		5	479 Ma Early/Lower Ordovician	439 Ma Silurian
Harginisulcus ✝ genus	doubtful (GBIF) listed (PBDB)
Harpabollia ✝ genus	doubtful (GBIF) listed (PBDB)
Hastatellina ✝ genus	doubtful (GBIF) listed (PBDB)		6	461 Ma Middle Ordovician	456 Ma Late/Upper Ordovician
Hatangeus ✝ genus	doubtful (GBIF) listed (PBDB)
Hebellum ✝ genus	doubtful (GBIF) listed (PBDB)		20	426 Ma Silurian	423 Ma Silurian
Hemeaschnidtella ✝ genus	doubtful (GBIF) listed (PBDB)
Hemiaechminoides ✝ genus	accepted (GBIF) listed (PBDB)
Hemsiella ✝ genus	doubtful (GBIF) listed (PBDB)		19	427 Ma Silurian	423 Ma Silurian
Henningsmoenia ✝ genus	accepted (GBIF) listed (PBDB)
Hercynobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Hesperidella ✝ genus	accepted (GBIF) listed (PBDB)		9	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Hesslandella ✝ genus	accepted (GBIF) listed (PBDB)		2	461 Ma Middle Ordovician	458 Ma Late/Upper Ordovician
Hillmeria ✝ genus	doubtful (GBIF) listed (PBDB)
Hintziella ✝ genus	accepted (GBIF) listed (PBDB)
Hippula ✝ genus	accepted (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Histina ✝ genus	doubtful (GBIF) listed (PBDB)
Hithis ✝ genus	accepted (GBIF) listed (PBDB)
Hollina ✝ genus	accepted (GBIF) listed (PBDB)		5	409 Ma Early/Lower Devonian	272 Ma Permian
Homeoceratopsis ✝ genus	doubtful (GBIF) listed (PBDB)
Homeokiesowia ✝ genus	accepted (GBIF) listed (PBDB)
Huckea ✝ genus	accepted (GBIF) listed (PBDB)
Huntonella ✝ genus	accepted (GBIF) listed (PBDB)		1	423 Ma Silurian	423 Ma Silurian
Huttoniella ✝ genus	listed (PBDB)		1	423 Ma Silurian	423 Ma Silurian
Hypotetragona ✝ genus	accepted (GBIF) listed (PBDB)		5	403 Ma Early/Lower Devonian	318 Ma Carboniferous
Hyrsinobolbina ✝ genus	accepted (GBIF) listed (PBDB)
Kozlowskiella ✝ genus	doubtful (GBIF) listed (PBDB)		1	376 Ma Late/Upper Devonian	376 Ma Late/Upper Devonian
Imangdites ✝ genus	doubtful (GBIF) listed (PBDB)
Inisylthere ✝ genus	doubtful (GBIF) listed (PBDB)
Ishmiella ✝ genus	doubtful (GBIF) listed (PBDB)
Ispharaella ✝ genus	doubtful (GBIF) listed (PBDB)
Ivaria ✝ genus	listed (PBDB)
Jaanussonia ✝ genus	doubtful (GBIF) listed (PBDB)
Jagatiella ✝ genus	doubtful (GBIF) listed (PBDB)
Jakutobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Javatius ✝ genus	doubtful (GBIF) listed (PBDB)
Jeanlouisella ✝ genus	doubtful (GBIF) listed (PBDB)
Jonesella ✝ genus	accepted (GBIF) listed (PBDB)		7	461 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Jonesina ✝ genus	accepted (GBIF) listed (PBDB)		17	461 Ma Middle Ordovician	272 Ma Permian
Junctusina ✝ genus	doubtful (GBIF) listed (PBDB)
Kalugia ✝ genus	doubtful (GBIF) listed (PBDB)
Karinutatia ✝ genus	accepted (GBIF) listed (PBDB)
Karlsteinella ✝ genus	doubtful (GBIF) listed (PBDB)
Kasovobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Katatona ✝ genus	doubtful (GBIF) listed (PBDB)
Kayatia ✝ genus	doubtful (GBIF) listed (PBDB)		2	439 Ma Silurian	439 Ma Silurian
Kayina ✝ genus	accepted (GBIF) listed (PBDB)		2	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Kegelites ✝ genus	accepted (GBIF) listed (PBDB)		11	260 Ma Permian	254 Ma Permian
Kielciella ✝ genus	doubtful (GBIF) listed (PBDB)		1	388 Ma Middle Devonian	388 Ma Middle Devonian
Kitabella ✝ genus	doubtful (GBIF) listed (PBDB)
Klimphores ✝ genus	doubtful (GBIF) listed (PBDB)		5	466 Ma Middle Ordovician	452 Ma Late/Upper Ordovician
Kloedenellitina ✝ genus	doubtful (GBIF) listed (PBDB)		2	376 Ma Late/Upper Devonian	254 Ma Permian
Klonkina ✝ genus	doubtful (GBIF) listed (PBDB)
Knoxina ✝ genus	accepted (GBIF) listed (PBDB)		7	345 Ma Carboniferous	318 Ma Carboniferous
Knoxites ✝ genus	doubtful (GBIF) listed (PBDB)		1	269 Ma Permian	269 Ma Permian
Kolednikella ✝ genus	doubtful (GBIF) listed (PBDB)
Komaroiella ✝ genus	doubtful (GBIF) listed (PBDB)
Koscoviellina ✝ genus	doubtful (GBIF) listed (PBDB)
Kozlowskiella ✝ genus	listed (PBDB)		6	423 Ma Silurian	388 Ma Middle Devonian
Kraftia ✝ genus	doubtful (GBIF) listed (PBDB)
Kullmannissites ✝ genus	accepted (GBIF) listed (PBDB)		1	383 Ma Late/Upper Devonian	383 Ma Late/Upper Devonian
Kyphomopisthia ✝ genus	doubtful (GBIF) listed (PBDB)
Labrosavelum ✝ genus	doubtful (GBIF) listed (PBDB)
Laccoprimitia ✝ genus	accepted (GBIF) listed (PBDB)		21	466 Ma Middle Ordovician	423 Ma Silurian
Lapazites ✝ genus	doubtful (GBIF) listed (PBDB)		1	409 Ma Early/Lower Devonian	409 Ma Early/Lower Devonian
Lardeuxella ✝ genus	doubtful (GBIF) listed (PBDB)		6	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Latebina ✝ genus	doubtful (GBIF) listed (PBDB)
Laterophores ✝ genus	listed (PBDB)
Leiocyamus ✝ genus	accepted (GBIF) listed (PBDB)		4	443 Ma Silurian	427 Ma Silurian
Leioprimitia ✝ genus	doubtful (GBIF) listed (PBDB)
Lembitites ✝ genus	doubtful (GBIF) listed (PBDB)
Lembitsarvella ✝ genus	doubtful (GBIF) listed (PBDB)
Lenatella ✝ genus	doubtful (GBIF) listed (PBDB)
Lennukella ✝ genus	doubtful (GBIF) listed (PBDB)
Leperditella ✝ genus	accepted (GBIF) listed (PBDB)		168	488 Ma Cambrian	450 Ma Late/Upper Ordovician
Leperditelloides ✝ genus	accepted (GBIF) listed (PBDB)
Leptobolbina ✝ genus	doubtful (GBIF) listed (PBDB)		2	439 Ma Silurian	433 Ma Silurian
Leptoprimitia ✝ genus	doubtful (GBIF) listed (PBDB)		1	388 Ma Middle Devonian	388 Ma Middle Devonian
Levisulculus ✝ genus	accepted (GBIF) listed (PBDB)		6	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Lichvinia ✝ genus	doubtful (GBIF) listed (PBDB)
Limatia ✝ genus	doubtful (GBIF) listed (PBDB)
Limbinaria ✝ genus	accepted (GBIF) listed (PBDB)
Limbinariella ✝ genus	accepted (GBIF) listed (PBDB)
Lingulibolina ✝ genus	doubtful (GBIF) listed (PBDB)
Linsayella ✝ genus	doubtful (GBIF) listed (PBDB)
Loculibolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Loculocavata ✝ genus	doubtful (GBIF) listed (PBDB)
Lokius ✝ genus	accepted (GBIF) listed (PBDB)
Lomatobolbina ✝ genus	accepted (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Lomatopisthia ✝ genus	accepted (GBIF) listed (PBDB)		1	472 Ma Early/Lower Ordovician	472 Ma Early/Lower Ordovician
Longidorsa ✝ genus	accepted (GBIF) listed (PBDB)
Loutriella ✝ genus	doubtful (GBIF) listed (PBDB)
Lubrzankiella ✝ genus	doubtful (GBIF) listed (PBDB)
Luciter ✝ genus	doubtful (GBIF) listed (PBDB)
Lysogorella ✝ genus	doubtful (GBIF) listed (PBDB)
Maizassionis ✝ genus	doubtful (GBIF) listed (PBDB)
Malguzaria ✝ genus	doubtful (GBIF) listed (PBDB)
Malnina ✝ genus	doubtful (GBIF) listed (PBDB)		1	359 Ma Late/Upper Devonian	359 Ma Late/Upper Devonian
Mammoides ✝ genus	accepted (GBIF) listed (PBDB)		2	345 Ma Carboniferous	345 Ma Carboniferous
Marginia ✝ genus	doubtful (GBIF) listed (PBDB)		8	409 Ma Early/Lower Devonian	376 Ma Late/Upper Devonian
Marginisulcus ✝ genus	doubtful (GBIF) listed (PBDB)
Marquezina ✝ genus	doubtful (GBIF) listed (PBDB)
Martinssonopsis ✝ genus	doubtful (GBIF) listed (PBDB)
Martinssonozona ✝ genus	doubtful (GBIF) listed (PBDB)
Masloviella ✝ genus	doubtful (GBIF) listed (PBDB)
Medianella ✝ genus	doubtful (GBIF) listed (PBDB)		2	452 Ma Late/Upper Ordovician	452 Ma Late/Upper Ordovician
Melanchlenia ✝ genus	doubtful (GBIF) listed (PBDB)
Microaechmina ✝ genus	doubtful (GBIF) listed (PBDB)
Microchilina ✝ genus	doubtful (GBIF) listed (PBDB)		4	458 Ma Middle Ordovician	433 Ma Silurian
Miehlkella ✝ genus	accepted (GBIF) listed (PBDB)
Milleratia ✝ genus	accepted (GBIF) listed (PBDB)		12	472 Ma Early/Lower Ordovician	450 Ma Late/Upper Ordovician
Miraculum ✝ genus	doubtful (GBIF) listed (PBDB)		20	409 Ma Early/Lower Devonian	403 Ma Early/Lower Devonian
Moeckowia ✝ genus	doubtful (GBIF) listed (PBDB)
Moierina ✝ genus	doubtful (GBIF) listed (PBDB)
Mojczella ✝ genus	accepted (GBIF) listed (PBDB)
Monotiopleura ✝ genus	doubtful (GBIF) listed (PBDB)		3	472 Ma Early/Lower Ordovician	472 Ma Early/Lower Ordovician
Murtiella ✝ genus	doubtful (GBIF) listed (PBDB)
Myomphalis ✝ genus	doubtful (GBIF) listed (PBDB)
Naevhithis ✝ genus	accepted (GBIF) listed (PBDB)
Nanopsis ✝ genus	accepted (GBIF) listed (PBDB)		4	485 Ma Cambrian	485 Ma Cambrian
Neckajatia ✝ genus	doubtful (GBIF) listed (PBDB)		1	439 Ma Silurian	439 Ma Silurian
Neckajella ✝ genus	doubtful (GBIF) listed (PBDB)
Nemuniella ✝ genus	doubtful (GBIF) listed (PBDB)
Neoaparchites ✝ genus	doubtful (GBIF) listed (PBDB)
Neobeyrichia ✝ genus	accepted (GBIF) listed (PBDB)		32	433 Ma Silurian	423 Ma Silurian
Neofellerites ✝ genus	accepted (GBIF) listed (PBDB)		2	279 Ma Permian	260 Ma Permian
Neokloedenella ✝ genus	accepted (GBIF) listed (PBDB)		1	388 Ma Middle Devonian	388 Ma Middle Devonian
Neoprimitiella ✝ genus	doubtful (GBIF) listed (PBDB)
Neoschmidtella ✝ genus	accepted (GBIF) listed (PBDB)
Neotsitrella ✝ genus	doubtful (GBIF) listed (PBDB)		2	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Nevadabolbina ✝ genus	accepted (GBIF) listed (PBDB)
Nezamyslia ✝ genus	doubtful (GBIF) listed (PBDB)		3	419 Ma Early/Lower Devonian	409 Ma Early/Lower Devonian
Nicolina ✝ genus	doubtful (GBIF) listed (PBDB)
Nionella ✝ genus	doubtful (GBIF) listed (PBDB)
Nobilitella ✝ genus	doubtful (GBIF) listed (PBDB)
Nodambichilina ✝ genus	doubtful (GBIF) listed (PBDB)		10	470 Ma Middle Ordovician	461 Ma Middle Ordovician
Nodibeyrichia ✝ genus	accepted (GBIF) listed (PBDB)		14	426 Ma Silurian	423 Ma Silurian
Nonsukozona ✝ genus	doubtful (GBIF) listed (PBDB)
Norochilina ✝ genus	doubtful (GBIF) listed (PBDB)
Notoscapha ✝ genus	doubtful (GBIF) listed (PBDB)
Noviportia ✝ genus	accepted (GBIF) listed (PBDB)		1	439 Ma Silurian	439 Ma Silurian
Novobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Novogladites ✝ genus	doubtful (GBIF) listed (PBDB)
Nudista ✝ genus	doubtful (GBIF) listed (PBDB)
Obliquisylthis ✝ genus	doubtful (GBIF) listed (PBDB)
Obotrita ✝ genus	doubtful (GBIF) listed (PBDB)
Ochesaarina ✝ genus	accepted (GBIF) listed (PBDB)		1	423 Ma Silurian	423 Ma Silurian
Ochescapha ✝ genus	doubtful (GBIF) listed (PBDB)		1	388 Ma Middle Devonian	388 Ma Middle Devonian
Ockerella ✝ genus	doubtful (GBIF) listed (PBDB)
Octobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Oecematobolbina ✝ genus	doubtful (GBIF) listed (PBDB)		8	468 Ma Middle Ordovician	461 Ma Middle Ordovician
Oejlemyra ✝ genus	doubtful (GBIF) listed (PBDB)
Oepikella ✝ genus	doubtful (GBIF) listed (PBDB)		16	468 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Oepikium ✝ genus	doubtful (GBIF) listed (PBDB)		13	466 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Ogmoopsis ✝ genus	doubtful (GBIF) listed (PBDB)		5	468 Ma Middle Ordovician	461 Ma Middle Ordovician
Ojlemyra ✝ genus	doubtful (GBIF) listed (PBDB)
Oepikatia ✝ genus	doubtful (GBIF) listed (PBDB)		8	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Opisthoplax ✝ genus	doubtful (GBIF) listed (PBDB)		2	419 Ma Early/Lower Devonian	419 Ma Early/Lower Devonian
Orcofabella ✝ genus	accepted (GBIF) listed (PBDB)
Ordovicia ✝ genus	doubtful (GBIF) listed (PBDB)
Ordovizona ✝ genus	doubtful (GBIF) listed (PBDB)		1	467 Ma Middle Ordovician	467 Ma Middle Ordovician
Orechina ✝ genus	doubtful (GBIF) listed (PBDB)
Orientalina ✝ genus	doubtful (GBIF) listed (PBDB)
Orthonaria ✝ genus	accepted (GBIF) listed (PBDB)
Osmotoxotis ✝ genus	doubtful (GBIF) listed (PBDB)		1	431 Ma Silurian	431 Ma Silurian
Otraczetia ✝ genus	doubtful (GBIF) listed (PBDB)
Paegnium ✝ genus	accepted (GBIF) listed (PBDB)
Panderia ✝ genus	doubtful (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Parabolbina ✝ genus	accepted (GBIF) listed (PBDB)		34	461 Ma Middle Ordovician	393 Ma Early/Lower Devonian
Parabouchekius ✝ genus	doubtful (GBIF) listed (PBDB)
Paractenoloculina ✝ genus	doubtful (GBIF) listed (PBDB)
Paraglyptopleura ✝ genus	doubtful (GBIF) listed (PBDB)
Parahealdia ✝ genus	doubtful (GBIF) listed (PBDB)		1	423 Ma Silurian	423 Ma Silurian
Parajonesites ✝ genus	doubtful (GBIF) listed (PBDB)		45	461 Ma Middle Ordovician	452 Ma Late/Upper Ordovician
Parakozlowskiella ✝ genus	accepted (GBIF) listed (PBDB)		1	388 Ma Middle Devonian	388 Ma Middle Devonian
Paranoviportia ✝ genus	accepted (GBIF) listed (PBDB)
Paraoliganisus ✝ genus	doubtful (GBIF) listed (PBDB)
Parapribylites ✝ genus	accepted (GBIF) listed (PBDB)		4	380 Ma Late/Upper Devonian	380 Ma Late/Upper Devonian
Lilita ✝ genus	doubtful (GBIF) listed (PBDB)
Parapyxion ✝ genus	doubtful (GBIF) listed (PBDB)		18	479 Ma Early/Lower Ordovician	456 Ma Late/Upper Ordovician
Paraschmidtella ✝ genus	accepted (GBIF) listed (PBDB)		22	472 Ma Early/Lower Ordovician	388 Ma Middle Devonian
Parashivaella ✝ genus	doubtful (GBIF) listed (PBDB)
Parasleia ✝ genus	doubtful (GBIF) listed (PBDB)
Pariconchoprimitia ✝ genus	doubtful (GBIF) listed (PBDB)
Parphores ✝ genus	doubtful (GBIF) listed (PBDB)
Parulrichia ✝ genus	accepted (GBIF) listed (PBDB)		3	456 Ma Late/Upper Ordovician	423 Ma Silurian
Parvicyathus ✝ genus	accepted (GBIF) listed (PBDB)		1	260 Ma Permian	260 Ma Permian
Rakverella ✝ genus	accepted (GBIF) listed (PBDB)
Pedomphalella ✝ genus	accepted (GBIF) listed (PBDB)		20	470 Ma Middle Ordovician	458 Ma Late/Upper Ordovician
Pelycobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Pentagona ✝ genus	accepted (GBIF) listed (PBDB)
Pentagonochilina ✝ genus	doubtful (GBIF) listed (PBDB)
Permokegelites ✝ genus	accepted (GBIF) listed (PBDB)		5	296 Ma Permian	254 Ma Permian
Perprimitia ✝ genus	accepted (GBIF) listed (PBDB)		2	269 Ma Permian	269 Ma Permian
Perspicillum ✝ genus	doubtful (GBIF) listed (PBDB)
Petrisigmoopsis ✝ genus	doubtful (GBIF) listed (PBDB)
Physalidopisthia ✝ genus	doubtful (GBIF) listed (PBDB)		1	472 Ma Early/Lower Ordovician	472 Ma Early/Lower Ordovician
Physcocalyptra ✝ genus	doubtful (GBIF) listed (PBDB)
Pilla ✝ genus	accepted (GBIF) listed (PBDB)		5	450 Ma Late/Upper Ordovician	450 Ma Late/Upper Ordovician
Pinpilla ✝ genus	accepted (GBIF) listed (PBDB)		4	450 Ma Late/Upper Ordovician	450 Ma Late/Upper Ordovician
Piretella ✝ genus	doubtful (GBIF) listed (PBDB)		7	466 Ma Middle Ordovician	452 Ma Late/Upper Ordovician
Piretia ✝ genus	accepted (GBIF) listed (PBDB)		5	468 Ma Middle Ordovician	464 Ma Middle Ordovician
Piretopsis ✝ genus	accepted (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Plagionephrodes ✝ genus	accepted (GBIF) listed (PBDB)
Planiprimites ✝ genus	doubtful (GBIF) listed (PBDB)
Planusella ✝ genus	doubtful (GBIF) listed (PBDB)		27	464 Ma Middle Ordovician	453 Ma Late/Upper Ordovician
Pleurodella ✝ genus	doubtful (GBIF) listed (PBDB)
Podolibolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Poloniella ✝ genus	accepted (GBIF) listed (PBDB)		9	423 Ma Silurian	388 Ma Middle Devonian
Polyceratella ✝ genus	accepted (GBIF) listed (PBDB)		4	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Porkornya ✝ genus	doubtful (GBIF) listed (PBDB)
Posneratina ✝ genus	doubtful (GBIF) listed (PBDB)
Posnerina ✝ genus	doubtful (GBIF) listed (PBDB)
Pribylina ✝ genus	doubtful (GBIF) listed (PBDB)		17	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Pribylites ✝ genus	doubtful (GBIF) listed (PBDB)		9	423 Ma Silurian	388 Ma Middle Devonian
Primitiopsella ✝ genus	doubtful (GBIF) listed (PBDB)
Primitiopsis ✝ genus	accepted (GBIF) listed (PBDB)		19	461 Ma Middle Ordovician	388 Ma Middle Devonian
Protallinnella ✝ genus	listed (PBDB)		1	472 Ma Early/Lower Ordovician	472 Ma Early/Lower Ordovician
Pseudoaparchites ✝ genus	doubtful (GBIF) listed (PBDB)
Pseudobollia ✝ genus	doubtful (GBIF) listed (PBDB)
Pseudohippula ✝ genus	doubtful (GBIF) listed (PBDB)
Pseudokiesowia ✝ genus	doubtful (GBIF) listed (PBDB)
Pseudoleperditia ✝ genus	accepted (GBIF) listed (PBDB)		4	359 Ma Late/Upper Devonian	359 Ma Late/Upper Devonian
Pseudomyomphalus ✝ genus	accepted (GBIF) listed (PBDB)
Pseudonodella ✝ genus	doubtful (GBIF) listed (PBDB)
Pseudoprimitiella ✝ genus	doubtful (GBIF) listed (PBDB)
Pseudorakverella ✝ genus	accepted (GBIF) listed (PBDB)		1	464 Ma Middle Ordovician	464 Ma Middle Ordovician
Pseudostrepula ✝ genus	doubtful (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Pseudotallinnella ✝ genus	listed (PBDB)		2	456 Ma Late/Upper Ordovician	452 Ma Late/Upper Ordovician
Pseudozygobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Punctoschmidtella ✝ genus	accepted (GBIF) listed (PBDB)
Pygoconcha ✝ genus	doubtful (GBIF) listed (PBDB)
Pyxion ✝ genus	accepted (GBIF) listed (PBDB)		8	461 Ma Middle Ordovician	458 Ma Late/Upper Ordovician
Quadricollina ✝ genus	doubtful (GBIF) listed (PBDB)		1	439 Ma Silurian	439 Ma Silurian
Quadridigitalis ✝ genus	doubtful (GBIF) listed (PBDB)
Quadrijugator ✝ genus	doubtful (GBIF) listed (PBDB)		7	461 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Quadrilobella ✝ genus	doubtful (GBIF) listed (PBDB)		35	479 Ma Early/Lower Ordovician	464 Ma Middle Ordovician
Quadritia ✝ genus	accepted (GBIF) listed (PBDB)		2	466 Ma Middle Ordovician	461 Ma Middle Ordovician
Quasiglyptopleura ✝ genus	doubtful (GBIF) listed (PBDB)
Raimbautina ✝ genus	accepted (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Rakverella ✝ genus	listed (PBDB)		2	461 Ma Middle Ordovician	443 Ma Silurian
Raymondatia ✝ genus	accepted (GBIF) listed (PBDB)		7	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Rectonaria ✝ genus	accepted (GBIF) listed (PBDB)		3	359 Ma Late/Upper Devonian	254 Ma Permian
Refrathella ✝ genus	listed (PBDB)		1	388 Ma Middle Devonian	388 Ma Middle Devonian
Reginea ✝ genus	accepted (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Regubea ✝ genus	doubtful (GBIF) listed (PBDB)
Reigiopsis ✝ genus	doubtful (GBIF) listed (PBDB)
Renibeyrichia ✝ genus	doubtful (GBIF) listed (PBDB)
Reticestus ✝ genus	doubtful (GBIF) listed (PBDB)		2	423 Ma Silurian	423 Ma Silurian
Reticulochilina ✝ genus	doubtful (GBIF) listed (PBDB)
Retinoda ✝ genus	doubtful (GBIF) listed (PBDB)
Retisacculus ✝ genus	doubtful (GBIF) listed (PBDB)		1	427 Ma Silurian	427 Ma Silurian
Reuentalina ✝ genus	doubtful (GBIF) listed (PBDB)		4	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Rhytiobeyrichia ✝ genus	doubtful (GBIF) listed (PBDB)
Richina ✝ genus	accepted (GBIF) listed (PBDB)		10	419 Ma Early/Lower Devonian	388 Ma Middle Devonian
Rimabollia ✝ genus	doubtful (GBIF) listed (PBDB)
Ritatia ✝ genus	doubtful (GBIF) listed (PBDB)
Rivillina ✝ genus	accepted (GBIF) listed (PBDB)		1	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Rozdestvenskayites ✝ genus	doubtful (GBIF) listed (PBDB)
Rozmaniella ✝ genus	doubtful (GBIF) listed (PBDB)
Ruptivelum ✝ genus	doubtful (GBIF) listed (PBDB)
Saccelatia ✝ genus	accepted (GBIF) listed (PBDB)		43	461 Ma Middle Ordovician	419 Ma Early/Lower Devonian
Saffordella genus	accepted (GBIF)	No associated record in PBDB
Saffordellina ✝ genus	accepted (GBIF) listed (PBDB)
Sagittovum ✝ genus	doubtful (GBIF) listed (PBDB)
Samoilovaella ✝ genus	doubtful (GBIF) listed (PBDB)
Sansabella ✝ genus	accepted (GBIF) listed (PBDB)		33	345 Ma Carboniferous	290 Ma Permian
Sarmatotoxotis ✝ genus	doubtful (GBIF) listed (PBDB)		1	431 Ma Silurian	431 Ma Silurian
Sarvina ✝ genus	doubtful (GBIF) listed (PBDB)
Sarytumia ✝ genus	doubtful (GBIF) listed (PBDB)
Satiellina ✝ genus	accepted (GBIF) listed (PBDB)
Savagellites ✝ genus	doubtful (GBIF) listed (PBDB)		1	345 Ma Carboniferous	345 Ma Carboniferous
Scaldianella ✝ genus	doubtful (GBIF) listed (PBDB)		16	427 Ma Silurian	423 Ma Silurian
Scanipisthia ✝ genus	doubtful (GBIF) listed (PBDB)
Scaphina ✝ genus	doubtful (GBIF) listed (PBDB)		1	409 Ma Early/Lower Devonian	409 Ma Early/Lower Devonian
Schallreuteria ✝ genus	accepted (GBIF) listed (PBDB)
Schmidtella ✝ genus	accepted (GBIF) listed (PBDB)		101	472 Ma Early/Lower Ordovician	450 Ma Late/Upper Ordovician
Schweyerina ✝ genus	doubtful (GBIF) listed (PBDB)
Scipionis ✝ genus	doubtful (GBIF) listed (PBDB)		4	426 Ma Silurian	423 Ma Silurian
Scrobicula ✝ genus	accepted (GBIF) listed (PBDB)
Scrobisylthis ✝ genus	doubtful (GBIF) listed (PBDB)
Sekobolla ✝ genus	doubtful (GBIF) listed (PBDB)
Selebratina ✝ genus	doubtful (GBIF) listed (PBDB)		19	380 Ma Late/Upper Devonian	365 Ma Late/Upper Devonian
Selon ✝ genus	doubtful (GBIF) listed (PBDB)
Semibolbina ✝ genus	doubtful (GBIF) listed (PBDB)		2	409 Ma Early/Lower Devonian	403 Ma Early/Lower Devonian
Semikiesowia ✝ genus	doubtful (GBIF) listed (PBDB)
Semilukiella ✝ genus	doubtful (GBIF) listed (PBDB)
Semipetasus ✝ genus	accepted (GBIF) listed (PBDB)		6	299 Ma Carboniferous	254 Ma Permian
Serenida ✝ genus	accepted (GBIF) listed (PBDB)		1	345 Ma Carboniferous	345 Ma Carboniferous
Severella ✝ genus	accepted (GBIF) listed (PBDB)		13	458 Ma Late/Upper Ordovician	426 Ma Silurian
Severobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Severopsis ✝ genus	doubtful (GBIF) listed (PBDB)
Seviculina ✝ genus	accepted (GBIF) listed (PBDB)
Shidelerites ✝ genus	accepted (GBIF) listed (PBDB)
Sibiriobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Sibiritella ✝ genus	listed (PBDB)		8	479 Ma Early/Lower Ordovician	461 Ma Middle Ordovician
Sichuania ✝ genus	doubtful (GBIF) listed (PBDB)
Sigmoopsis ✝ genus	doubtful (GBIF) listed (PBDB)		15	467 Ma Middle Ordovician	452 Ma Late/Upper Ordovician
Sigmoopsoides ✝ genus	doubtful (GBIF) listed (PBDB)
Signetopsis ✝ genus	doubtful (GBIF) listed (PBDB)		6	431 Ma Silurian	423 Ma Silurian
Sinoprimitia ✝ genus	doubtful (GBIF) listed (PBDB)		4	485 Ma Cambrian	461 Ma Middle Ordovician
Siveteria ✝ genus	doubtful (GBIF) listed (PBDB)
Slependia ✝ genus	doubtful (GBIF) listed (PBDB)		1	441 Ma Silurian	441 Ma Silurian
Snaidar ✝ genus	doubtful (GBIF) listed (PBDB)
Soanella ✝ genus	doubtful (GBIF) listed (PBDB)		11	470 Ma Middle Ordovician	461 Ma Middle Ordovician
Soleaua ✝ genus	accepted (GBIF) listed (PBDB)
Sphenicibysis ✝ genus	doubtful (GBIF) listed (PBDB)
Spinaechmina ✝ genus	doubtful (GBIF) listed (PBDB)
Spinella ✝ genus	doubtful (GBIF) listed (PBDB)		7	431 Ma Silurian	408 Ma Early/Lower Devonian
Spinigerites ✝ genus	doubtful (GBIF) listed (PBDB)
Spinohippula ✝ genus	accepted (GBIF) listed (PBDB)
Spinopleura ✝ genus	doubtful (GBIF) listed (PBDB)
Steinfurtia ✝ genus	doubtful (GBIF) listed (PBDB)
Stictobollia ✝ genus	doubtful (GBIF) listed (PBDB)		6	388 Ma Middle Devonian	388 Ma Middle Devonian
Strepula ✝ genus	accepted (GBIF) listed (PBDB)		1	431 Ma Silurian	431 Ma Silurian
Stroterobolbina ✝ genus	doubtful (GBIF) listed (PBDB)
Subligaculum ✝ genus	doubtful (GBIF) listed (PBDB)		4	388 Ma Middle Devonian	388 Ma Middle Devonian
Subtella ✝ genus	doubtful (GBIF) listed (PBDB)
Sudon ✝ genus	doubtful (GBIF) listed (PBDB)
Sulcatiella ✝ genus	doubtful (GBIF) listed (PBDB)		2	411 Ma Early/Lower Devonian	403 Ma Early/Lower Devonian
Sulcicuneus ✝ genus	accepted (GBIF) listed (PBDB)		4	409 Ma Early/Lower Devonian	403 Ma Early/Lower Devonian
Susus ✝ genus	doubtful (GBIF) listed (PBDB)
Suvalkeilla ✝ genus	doubtful (GBIF) listed (PBDB)
Svantovites ✝ genus	doubtful (GBIF) listed (PBDB)		1	388 Ma Middle Devonian	388 Ma Middle Devonian
Swantina ✝ genus	doubtful (GBIF) listed (PBDB)
Sylithis ✝ genus	doubtful (GBIF) listed (PBDB)
Tajurina ✝ genus	doubtful (GBIF) listed (PBDB)
Tallinnellina ✝ genus	accepted (GBIF) listed (PBDB)
Tetrada ✝ genus	doubtful (GBIF) listed (PBDB)		5	461 Ma Middle Ordovician	452 Ma Late/Upper Ordovician
Tambovia ✝ genus	doubtful (GBIF) listed (PBDB)
Tegea ✝ genus	listed (PBDB)
Telegraphia ✝ genus	doubtful (GBIF) listed (PBDB)
Tenebrion ✝ genus	accepted (GBIF) listed (PBDB)
Tetrada ✝ genus	listed (PBDB)
Tetrasacculus ✝ genus	accepted (GBIF) listed (PBDB)		12	388 Ma Middle Devonian	345 Ma Carboniferous
Therioxynpecum ✝ genus	doubtful (GBIF) listed (PBDB)
Thibautina ✝ genus	accepted (GBIF) listed (PBDB)
Thomasatia ✝ genus	accepted (GBIF) listed (PBDB)		16	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Timiskamella ✝ genus	doubtful (GBIF) listed (PBDB)
Tinotoxotis ✝ genus	doubtful (GBIF) listed (PBDB)		1	431 Ma Silurian	431 Ma Silurian
Triassicindivisia ✝ genus	accepted (GBIF) listed (PBDB)		5	251 Ma Early/Lower Triassic	247 Ma Early/Lower Triassic
Tribotoxotis ✝ genus	doubtful (GBIF) listed (PBDB)		1	431 Ma Silurian	431 Ma Silurian
Triemilomatella ✝ genus	doubtful (GBIF) listed (PBDB)
Trinota ✝ genus	doubtful (GBIF) listed (PBDB)
Tropidotoxotis ✝ genus	doubtful (GBIF) listed (PBDB)
Tschingizella ✝ genus	doubtful (GBIF) listed (PBDB)
Tsitrella ✝ genus	doubtful (GBIF) listed (PBDB)
Tvaerenella ✝ genus	accepted (GBIF) listed (PBDB)		10	470 Ma Middle Ordovician	452 Ma Late/Upper Ordovician
Uchtovia ✝ genus	accepted (GBIF) listed (PBDB)		8	419 Ma Early/Lower Devonian	380 Ma Late/Upper Devonian
Uhakiella ✝ genus	accepted (GBIF) listed (PBDB)		18	466 Ma Middle Ordovician	452 Ma Late/Upper Ordovician
Ullehmannia ✝ genus	doubtful (GBIF) listed (PBDB)
Ullerella ✝ genus	doubtful (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Undipila ✝ genus	doubtful (GBIF) listed (PBDB)
Undulirete ✝ genus	accepted (GBIF) listed (PBDB)
Unisulcopleura ✝ genus	accepted (GBIF) listed (PBDB)
Unzhiella ✝ genus	doubtful (GBIF) listed (PBDB)
Uralinova ✝ genus	accepted (GBIF) listed (PBDB)		1	419 Ma Early/Lower Devonian	419 Ma Early/Lower Devonian
Urdia ✝ genus	doubtful (GBIF) listed (PBDB)
Urftella ✝ genus	accepted (GBIF) listed (PBDB)		2	409 Ma Early/Lower Devonian	388 Ma Middle Devonian
Urgachilina ✝ genus	doubtful (GBIF) listed (PBDB)
Uscopria ✝ genus	accepted (GBIF) listed (PBDB)
Uvonhachtia ✝ genus	doubtful (GBIF) listed (PBDB)
Vaivanovia ✝ genus	doubtful (GBIF) listed (PBDB)
Valdarella ✝ genus	doubtful (GBIF) listed (PBDB)
Varilatella ✝ genus	doubtful (GBIF) listed (PBDB)
Vattenfallia ✝ genus	doubtful (GBIF) listed (PBDB)
Ventrigyrus ✝ genus	doubtful (GBIF) listed (PBDB)
Vesticytherura ✝ genus	doubtful (GBIF) listed (PBDB)
Vitissites ✝ genus	doubtful (GBIF) listed (PBDB)
Vittella ✝ genus	accepted (GBIF) listed (PBDB)
Vogdesella ✝ genus	doubtful (GBIF) listed (PBDB)
Volganella ✝ genus	accepted (GBIF) listed (PBDB)		3	269 Ma Permian	265 Ma Permian
Wabiella ✝ genus	doubtful (GBIF) listed (PBDB)
Warthinia ✝ genus	accepted (GBIF) listed (PBDB)		2	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Webbylla ✝ genus	accepted (GBIF) listed (PBDB)
Wehrlina ✝ genus	doubtful (GBIF) listed (PBDB)
Welchella ✝ genus	accepted (GBIF) listed (PBDB)
Welleriella ✝ genus	accepted (GBIF) listed (PBDB)		2	419 Ma Early/Lower Devonian	393 Ma Early/Lower Devonian
Winchellatia ✝ genus	accepted (GBIF) listed (PBDB)		39	472 Ma Early/Lower Ordovician	461 Ma Middle Ordovician
Wuxuania ✝ genus	doubtful (GBIF) listed (PBDB)
Xiangzhoulina ✝ genus	doubtful (GBIF) listed (PBDB)
Xystista ✝ genus	doubtful (GBIF) listed (PBDB)
Yichangella ✝ genus	doubtful (GBIF) listed (PBDB)		1	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Yukonibolbina ✝ genus	accepted (GBIF) listed (PBDB)
Zaborovia ✝ genus	doubtful (GBIF) listed (PBDB)
Zanirinella ✝ genus	doubtful (GBIF) listed (PBDB)
Zenkopsis ✝ genus	doubtful (GBIF) listed (PBDB)
Zigobolboides ✝ genus	doubtful (GBIF) listed (PBDB)
Ziva ✝ genus	doubtful (GBIF) listed (PBDB)
Zorotoxotis ✝ genus	doubtful (GBIF) listed (PBDB)		2	431 Ma Silurian	427 Ma Silurian
Zygobolboides ✝ genus	doubtful (GBIF) listed (PBDB)		15	464 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Eridochoncha concentrica species	accepted (GBIF)	No associated record in PBDB

Synonymy List

Year	Name and Author
1953	Palaeocopida Henningsmoen
1961	Palaeocopida Benson et al. p. 110
1992	Palaeocopida Bengtson p. 1022
2002	Palaeocopida Sepkoski, Jr.
2008	Palaeocopida Crasquin p. 238

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560

Benson R. H., Berdan J. M., et al (1961) Part Q, Arthropoda: Crustacea: Ostracoda, Treatise on Invertebrate Paleontology Q 3, 1-432

Bengtson S. (1992) Proterozoic and earliest Cambrian skeletal metazoans, The Proterozoic Biosphere: A Multidisciplinary Study, 1017-1034

Crasquin S. (2008) Ostracod paleontology, in Ostracods across the Permian-Triassic boundary in western Tethys: the Bulla parastratotype (southern Alps, Italy), Rivista Italiana di Paleontologia e Stratigrafia 114 2, 233-262

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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