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Cyclostomata

Photos

Photo Gallery

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	24775	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=24775

Rank

order (PBDB)

Taxonomy (PBDB)

Life : Animalia : Bryozoa : Stenolaemata : Cyclostomata

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Spiralia
-	Polyzoa
phylum	Bryozoa	Ehrenberg 1831
class	Stenolaemata	Borg 1926
order	Cyclostomata	Busk 1852

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Cyclostomata	order	belongs to Bryozoa	stated without evidence	Ulrich and Bassler, 1904
Cyclostomata	order	belongs to Ectoprocta	stated without evidence	Brown, 1956
Cyclostomata	order	belongs to Agnatha	stated without evidence	Bardack and Zangerl, 1968
Cyclostomata	order	belongs to Stenolaemata	stated without evidence	Brood, 1976
Cyclostomata	order	belongs to Stenolaemata	second hand	Sepkoski, 2002
Cyclostomata	order	belongs to Stenolaemata	stated without evidence	Schmidt, 2003
Cyclostomata	order	belongs to Stenolaemata	stated with evidence	Jimenez Sanchez, 2009
Cyclostomata	order	belongs to Stenolaemata	stated without evidence	Gordon and Taylor, 2015

Status (PBDB)

extant

Taxon Size (PBDB)

495

Extant Size (PBDB)

106 (21%)

First Recorded Appearance

470 - 464 Ma
Middle Ordovician

Motility

stationary, attached (based on Cyclostomata)

Vision

blind (based on Stenolaemata)

Diet

suspension feeder (based on Cyclostomata)

Taphonomy

low Mg calcite (based on Cyclostomata)

Primary Reference (PBDB)

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

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Cancellata suborder	listed (PBDB)	96	130 Ma Early/Lower Cretaceous	0 Ma Extant
Cerioporina suborder	listed (PBDB)	118	299 Ma Carboniferous	0 Ma Extant
Paleotubuliporina ✝ suborder	listed (PBDB)	95	461 Ma Middle Ordovician	259 Ma Permian
Rectangulata suborder	listed (PBDB)	160	461 Ma Middle Ordovician	0 Ma Extant
Tubuliporina suborder	listed (PBDB)	643	468 Ma Middle Ordovician	0 Ma Extant
Tubuloporina suborder	listed (PBDB)	1	180 Ma Early Jurassic	0 Ma Extant
Hederelloidea ✝ superfamily	listed (PBDB)	99	450 Ma Late/Upper Ordovician	272 Ma Permian
Diastoporidae family	accepted (GBIF) listed (PBDB)	43	212 Ma Late/Upper Triassic	0 Ma Extant
Diploclemidae ✝ family	accepted (GBIF) listed (PBDB)	11	470 Ma Middle Ordovician	433 Ma Silurian
Eleidae ✝ family	accepted (GBIF) listed (PBDB)	97	130 Ma Early/Lower Cretaceous	41.3 Ma Eocene
Fasciculiporidae family	listed (PBDB)	3	23.0 Ma Miocene	0 Ma Extant
Fascigeridae family	accepted (GBIF) listed (PBDB)
Frondiporidae family	accepted (GBIF) listed (PBDB)	17	209 Ma Late/Upper Triassic	0 Ma Extant
Idmoneidae family	accepted (GBIF) listed (PBDB)	7	470 Ma Middle Ordovician	0 Ma Extant
Theonoidae family	accepted (GBIF) listed (PBDB)	1	166 Ma Middle Jurassic	0 Ma Extant
Acanthopora ✝ genus	accepted (GBIF) listed (PBDB)	2	140 Ma Early/Lower Cretaceous	133 Ma Early/Lower Cretaceous
Actinopora genus	accepted (GBIF) listed (PBDB)			0 Ma Extant
Actinotaxia ✝ genus	doubtful (GBIF) listed (PBDB)
Aggregopora ✝ genus	accepted (GBIF) listed (PBDB)
Alveolaria ✝ genus	doubtful (GBIF) listed (PBDB)
Amphimorsoniella ✝ genus	doubtful (GBIF) listed (PBDB)
Anguisia genus	accepted (GBIF) listed (PBDB)			0 Ma Extant
Apatotervia ✝ genus	accepted (GBIF) listed (PBDB)
Atagma ✝ genus	accepted (GBIF) listed (PBDB)
Atelesopora ✝ genus	accepted (GBIF) listed (PBDB)
Atractosoecia ✝ genus	doubtful (GBIF) listed (PBDB)
Bicavea ✝ genus	accepted (GBIF) listed (PBDB)
Bicoronipora ✝ genus	doubtful (GBIF) listed (PBDB)
Bicrisia genus	accepted (GBIF) listed (PBDB)			0 Ma Extant
Bicrisina ✝ genus	doubtful (GBIF) listed (PBDB)	2	16.0 Ma Miocene	16.0 Ma Miocene
Bidiastopora ✝ genus	accepted (GBIF) listed (PBDB)	1	66.0 Ma Late/Upper Cretaceous	66.0 Ma Late/Upper Cretaceous
Biflabellaria ✝ genus	doubtful (GBIF) listed (PBDB)
Biovicella ✝ genus	doubtful (GBIF) listed (PBDB)
Bisidmonea genus	accepted (GBIF) listed (PBDB)	2	66.0 Ma Late/Upper Cretaceous	0 Ma Extant
Bitubigera ✝ genus	doubtful (GBIF) listed (PBDB)	2	7.25 Ma Miocene	7.25 Ma Miocene
Bivestis ✝ genus	doubtful (GBIF) listed (PBDB)
Bobiesipora ✝ genus	doubtful (GBIF) listed (PBDB)	2	16.0 Ma Miocene	16.0 Ma Miocene
Brachysoecia ✝ genus	accepted (GBIF) listed (PBDB)
Braiesopora ✝ genus	doubtful (GBIF) listed (PBDB)	2	237 Ma Middle Triassic	237 Ma Middle Triassic
Buria ✝ genus	doubtful (GBIF) listed (PBDB)	1	228 Ma Late/Upper Triassic	228 Ma Late/Upper Triassic
Canalipora ✝ genus	doubtful (GBIF) listed (PBDB)	2	70.6 Ma Late/Upper Cretaceous	70.6 Ma Late/Upper Cretaceous
Cardioecia genus	accepted (GBIF) listed (PBDB)	1	130 Ma Early/Lower Cretaceous	0 Ma Extant
Carinifer ✝ genus	doubtful (GBIF) listed (PBDB)
Cava ✝ genus	doubtful (GBIF) listed (PBDB)
Cavaria ✝ genus	accepted (GBIF) listed (PBDB)
Cavarinella ✝ genus	accepted (GBIF) listed (PBDB)
Ceata ✝ genus	doubtful (GBIF) listed (PBDB)	1	130 Ma Early/Lower Cretaceous	130 Ma Early/Lower Cretaceous
Ceidmonea ✝ genus	doubtful (GBIF) listed (PBDB)
Cellulipora ✝ genus	accepted (GBIF) listed (PBDB)	11	125 Ma Early/Lower Cretaceous	122 Ma Early/Lower Cretaceous
Centronea ✝ genus	doubtful (GBIF) listed (PBDB)
Cerioporella ✝ genus	doubtful (GBIF) listed (PBDB)	1	66.0 Ma Late/Upper Cretaceous	66.0 Ma Late/Upper Cretaceous
Charixa ✝ genus	doubtful (GBIF) listed (PBDB)	1	130 Ma Early/Lower Cretaceous	130 Ma Early/Lower Cretaceous
Chartecytis ✝ genus	accepted (GBIF) listed (PBDB)	2	145 Ma Late Jurassic	105 Ma Early/Lower Cretaceous
Chilopora ✝ genus	accepted (GBIF) listed (PBDB)
Chisma ✝ genus	accepted (GBIF) listed (PBDB)	5	125 Ma Early/Lower Cretaceous	125 Ma Early/Lower Cretaceous
Choristopetalum ✝ genus	accepted (GBIF) listed (PBDB)	1	125 Ma Early/Lower Cretaceous	125 Ma Early/Lower Cretaceous
Circibiopora ✝ genus	doubtful (GBIF) listed (PBDB)
Clausa ✝ genus	accepted (GBIF) listed (PBDB)	9	130 Ma Early/Lower Cretaceous	93.5 Ma Late/Upper Cretaceous
Clavicava ✝ genus	accepted (GBIF) listed (PBDB)
Clavisparsa ✝ genus	accepted (GBIF) listed (PBDB)
Clavitubigera ✝ genus	accepted (GBIF) listed (PBDB)	2	125 Ma Early/Lower Cretaceous	125 Ma Early/Lower Cretaceous
Clinopora ✝ genus	accepted (GBIF) listed (PBDB)
Clonopora ✝ genus	accepted (GBIF) listed (PBDB)	1	315 Ma Carboniferous	315 Ma Carboniferous
Coelocochlea ✝ genus	doubtful (GBIF) listed (PBDB)
Coelospiropora ✝ genus	doubtful (GBIF) listed (PBDB)	3	136 Ma Early/Lower Cretaceous	136 Ma Early/Lower Cretaceous
Collapora ✝ genus	doubtful (GBIF) listed (PBDB)
Conotubigera ✝ genus	accepted (GBIF) listed (PBDB)
Coronidmonea ✝ genus	accepted (GBIF) listed (PBDB)
Corymbopora ✝ genus	doubtful (GBIF) listed (PBDB)	1	85.8 Ma Late/Upper Cretaceous	85.8 Ma Late/Upper Cretaceous
Corynotrypoides genus	doubtful (GBIF) listed (PBDB)	2	237 Ma Middle Triassic	237 Ma Middle Triassic
Coscinoecia ✝ genus	accepted (GBIF) listed (PBDB)
Crassodiscopora ✝ genus	doubtful (GBIF) listed (PBDB)
Crassohornera ✝ genus	doubtful (GBIF) listed (PBDB)
Crescis ✝ genus	doubtful (GBIF) listed (PBDB)
Crisidia genus	accepted (GBIF) listed (PBDB)	1	66.0 Ma Late/Upper Cretaceous	0 Ma Extant
Crisidmonea ✝ genus	accepted (GBIF) listed (PBDB)	3	66.0 Ma Late/Upper Cretaceous	66.0 Ma Late/Upper Cretaceous
Crisiella genus	accepted (GBIF) listed (PBDB)			0 Ma Extant
Crisinella ✝ genus	doubtful (GBIF) listed (PBDB)
Crisiona genus	accepted (GBIF) listed (PBDB)			0 Ma Extant
Crisisina genus	accepted (GBIF) listed (PBDB)	11	72.1 Ma Late/Upper Cretaceous	0 Ma Extant
Crisulipora genus	accepted (GBIF) listed (PBDB)	5	33.9 Ma Oligocene	0 Ma Extant
Cryptoglena ✝ genus	accepted (GBIF) listed (PBDB)
Cuffeyella genus	accepted (GBIF) listed (PBDB)
Cuvilliera ✝ genus	doubtful (GBIF) listed (PBDB)
Cyclocites ✝ genus	accepted (GBIF) listed (PBDB)
Cylindropora ✝ genus	doubtful (GBIF) listed (PBDB)
Cyrtopora ✝ genus	accepted (GBIF) listed (PBDB)
Cystoporella ✝ genus	doubtful (GBIF) listed (PBDB)
Cytis ✝ genus	accepted (GBIF) listed (PBDB)
Dacryopora ✝ genus	accepted (GBIF) listed (PBDB)
Decurella ✝ genus	doubtful (GBIF) listed (PBDB)
Defranciopora ✝ genus	accepted (GBIF) listed (PBDB)	2	145 Ma Late Jurassic	136 Ma Early/Lower Cretaceous
Dendroecia ✝ genus	doubtful (GBIF) listed (PBDB)	5	145 Ma Late Jurassic	136 Ma Early/Lower Cretaceous
Dentalitrya ✝ genus	doubtful (GBIF) listed (PBDB)
Desmatelesia genus	accepted (GBIF) listed (PBDB)			0 Ma Extant
Desmeplatioecia genus	doubtful (GBIF) listed (PBDB)			0 Ma Extant
Desmepora ✝ genus	doubtful (GBIF) listed (PBDB)	1	93.5 Ma Late/Upper Cretaceous	93.5 Ma Late/Upper Cretaceous
Diastoporina ✝ genus	accepted (GBIF) listed (PBDB)
Dichospiropora ✝ genus	doubtful (GBIF) listed (PBDB)
Diplocava ✝ genus	accepted (GBIF) listed (PBDB)	6	145 Ma Late Jurassic	130 Ma Early/Lower Cretaceous
Diplodesmepora ✝ genus	doubtful (GBIF) listed (PBDB)
Diplopetalopora ✝ genus	doubtful (GBIF) listed (PBDB)
Diplosolen genus	accepted (GBIF) listed (PBDB)	4	66.0 Ma Late/Upper Cretaceous	0 Ma Extant
Discotruncatulipora ✝ genus	accepted (GBIF) listed (PBDB)
Discotubigera ✝ genus	accepted (GBIF) listed (PBDB)
Ditaxia ✝ genus	accepted (GBIF) listed (PBDB)
Diversipora ✝ genus	doubtful (GBIF) listed (PBDB)
Echinocava ✝ genus	doubtful (GBIF) listed (PBDB)	1	125 Ma Early/Lower Cretaceous	125 Ma Early/Lower Cretaceous
Elaphopora ✝ genus	doubtful (GBIF) listed (PBDB)
Eoheteropora ✝ genus	doubtful (GBIF) listed (PBDB)	5	212 Ma Late/Upper Triassic	206 Ma Late/Upper Triassic
Eohornera ✝ genus	doubtful (GBIF) listed (PBDB)
Erkosonea ✝ genus	accepted (GBIF) listed (PBDB)	1	38.0 Ma Eocene	38.0 Ma Eocene
Oncousoecia genus	accepted (GBIF) listed (PBDB)	2	145 Ma Late Jurassic	0 Ma Extant
Exidomonea genus	doubtful (GBIF) listed (PBDB)			0 Ma Extant
Exochoecia ✝ genus	accepted (GBIF) listed (PBDB)	6	33.9 Ma Oligocene	33.9 Ma Oligocene
Fasciculinopora ✝ genus	doubtful (GBIF) listed (PBDB)
Fascigera ✝ genus	accepted (GBIF) listed (PBDB)
Fascipora ✝ genus	doubtful (GBIF) listed (PBDB)	1	101 Ma Late/Upper Cretaceous	101 Ma Late/Upper Cretaceous
Filicava ✝ genus	accepted (GBIF) listed (PBDB)
Filicea ✝ genus	accepted (GBIF) listed (PBDB)
Filicrisia genus	accepted (GBIF) listed (PBDB)	5	136 Ma Early/Lower Cretaceous	0 Ma Extant
Filicrisina ✝ genus	accepted (GBIF) listed (PBDB)
Flabellotrypa ✝ genus	accepted (GBIF) listed (PBDB)
Foricula ✝ genus	accepted (GBIF) listed (PBDB)
Fungella ✝ genus	accepted (GBIF) listed (PBDB)	3	105 Ma Early/Lower Cretaceous	85.8 Ma Late/Upper Cretaceous
Globulipora ✝ genus	doubtful (GBIF) listed (PBDB)
Goryunovia ✝ genus	doubtful (GBIF) listed (PBDB)
Grammanotosoecia ✝ genus	accepted (GBIF) listed (PBDB)	1	83.6 Ma Late/Upper Cretaceous	83.6 Ma Late/Upper Cretaceous
Grammascosoecia ✝ genus	accepted (GBIF) listed (PBDB)
Haplooecia ✝ genus	doubtful (GBIF) listed (PBDB)
Hederopsis ✝ genus	accepted (GBIF) listed (PBDB)
Hemicellaria ✝ genus	accepted (GBIF) listed (PBDB)
Hernodia ✝ genus	accepted (GBIF) listed (PBDB)	4	423 Ma Silurian	383 Ma Late/Upper Devonian
Heterocrisina ✝ genus	accepted (GBIF) listed (PBDB)
Heterohaplooecia ✝ genus	accepted (GBIF) listed (PBDB)
Heteroporella ✝ genus	doubtful (GBIF) listed (PBDB)
Idmonella ✝ genus	doubtful (GBIF) listed (PBDB)
Idmoneoides genus	accepted (GBIF) listed (PBDB)			0 Ma Extant
Infundibulipora genus	accepted (GBIF) listed (PBDB)			0 Ma Extant
Koldophos ✝ genus	doubtful (GBIF) listed (PBDB)
Kuarnbyella ✝ genus	doubtful (GBIF) listed (PBDB)
Kyarnbyella ✝ genus	doubtful (GBIF) listed (PBDB)
Lagenosypho ✝ genus	doubtful (GBIF) listed (PBDB)
Lagonoecia ✝ genus	accepted (GBIF) listed (PBDB)	1	55.8 Ma Eocene	55.8 Ma Eocene
Laterocea ✝ genus	accepted (GBIF) listed (PBDB)
Laterotubigera ✝ genus	accepted (GBIF) listed (PBDB)	2	83.6 Ma Late/Upper Cretaceous	83.6 Ma Late/Upper Cretaceous
Leiosoecia ✝ genus	accepted (GBIF) listed (PBDB)	4	136 Ma Early/Lower Cretaceous	136 Ma Early/Lower Cretaceous
Lekythionia ✝ genus	doubtful (GBIF) listed (PBDB)	1	66.0 Ma Late/Upper Cretaceous	66.0 Ma Late/Upper Cretaceous
Leptopora ✝ genus	doubtful (GBIF) listed (PBDB)	1	359 Ma Late/Upper Devonian	359 Ma Late/Upper Devonian
Liripora genus	accepted (GBIF) listed (PBDB)			0 Ma Extant
Lobomesenteripora ✝ genus	doubtful (GBIF) listed (PBDB)	15	136 Ma Early/Lower Cretaceous	136 Ma Early/Lower Cretaceous
Lobosoecia ✝ genus	doubtful (GBIF) listed (PBDB)
Locularia ✝ genus	doubtful (GBIF) listed (PBDB)
Lopholepsis ✝ genus	doubtful (GBIF) listed (PBDB)
Marssoniella ✝ genus	accepted (GBIF) listed (PBDB)
Meandropora ✝ genus	accepted (GBIF) listed (PBDB)
Melicerita genus	listed (PBDB)	17	34.3 Ma Eocene	0 Ma Extant
Meliceritella ✝ genus	accepted (GBIF) listed (PBDB)
Microecia genus	accepted (GBIF) listed (PBDB)	4	161 Ma Jurassic	0 Ma Extant
Mitoclemella ✝ genus	accepted (GBIF) listed (PBDB)	4	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Monodesmopora ✝ genus	doubtful (GBIF) listed (PBDB)
Multicavea ✝ genus	accepted (GBIF) listed (PBDB)	2	83.6 Ma Late/Upper Cretaceous	66.0 Ma Late/Upper Cretaceous
Multicrescis ✝ genus	accepted (GBIF) listed (PBDB)
Multifascigera ✝ genus	accepted (GBIF) listed (PBDB)	3	140 Ma Early/Lower Cretaceous	101 Ma Late/Upper Cretaceous
Multisparsa ✝ genus	accepted (GBIF) listed (PBDB)	3	170 Ma Middle Jurassic	168 Ma Middle Jurassic
Multitubigera ✝ genus	accepted (GBIF) listed (PBDB)	2	140 Ma Early/Lower Cretaceous	140 Ma Early/Lower Cretaceous
Multizonopora ✝ genus	accepted (GBIF) listed (PBDB)	10	140 Ma Early/Lower Cretaceous	133 Ma Early/Lower Cretaceous
Nematifera ✝ genus	accepted (GBIF) listed (PBDB)
Neoretenoa ✝ genus	doubtful (GBIF) listed (PBDB)
Neuroporella ✝ genus	accepted (GBIF) listed (PBDB)
Nevianopora genus	doubtful (GBIF) listed (PBDB)			0 Ma Extant
Notoplagioecia ✝ genus	accepted (GBIF) listed (PBDB)
Osburnostylus ✝ genus	accepted (GBIF) listed (PBDB)
Osculipora ✝ genus	accepted (GBIF) listed (PBDB)	3	93.5 Ma Late/Upper Cretaceous	66.0 Ma Late/Upper Cretaceous
Pachyteichopora ✝ genus	accepted (GBIF) listed (PBDB)
Palaeocrisidia ✝ genus	doubtful (GBIF) listed (PBDB)
Paracrescis ✝ genus	doubtful (GBIF) listed (PBDB)
Paralhederella ✝ genus	doubtful (GBIF) listed (PBDB)
Paratretocycloecia ✝ genus	accepted (GBIF) listed (PBDB)
Parleiosoecia ✝ genus	accepted (GBIF) listed (PBDB)
Partretocycloecia ✝ genus	doubtful (GBIF) listed (PBDB)	1	66.0 Ma Late/Upper Cretaceous	66.0 Ma Late/Upper Cretaceous
Patenaria ✝ genus	doubtful (GBIF) listed (PBDB)
Pennipora ✝ genus	doubtful (GBIF) listed (PBDB)	1	85.8 Ma Late/Upper Cretaceous	85.8 Ma Late/Upper Cretaceous
Perfodiastopora ✝ genus	doubtful (GBIF) listed (PBDB)	28	136 Ma Early/Lower Cretaceous	136 Ma Early/Lower Cretaceous
Pergensella ✝ genus	accepted (GBIF) listed (PBDB)
Peripora ✝ genus	accepted (GBIF) listed (PBDB)
Petalopora genus	accepted (GBIF) listed (PBDB)	8	136 Ma Early/Lower Cretaceous	0 Ma Extant
Phacelopora ✝ genus	accepted (GBIF) listed (PBDB)
Phormopora ✝ genus	doubtful (GBIF) listed (PBDB)
Plethopora ✝ genus	accepted (GBIF) listed (PBDB)	1	122 Ma Early/Lower Cretaceous	122 Ma Early/Lower Cretaceous
Plethoporella ✝ genus	doubtful (GBIF) listed (PBDB)
Pleuronea ✝ genus	accepted (GBIF) listed (PBDB)	33	70.6 Ma Late/Upper Cretaceous	13.8 Ma Miocene
Poriceata ✝ genus	doubtful (GBIF) listed (PBDB)	7	136 Ma Early/Lower Cretaceous	130 Ma Early/Lower Cretaceous
Poroplagioecia ✝ genus	accepted (GBIF) listed (PBDB)
Prosthenoecia ✝ genus	doubtful (GBIF) listed (PBDB)
Pseudofrondipora ✝ genus	doubtful (GBIF) listed (PBDB)	2	16.0 Ma Miocene	16.0 Ma Miocene
Pseudoseriopora ✝ genus	doubtful (GBIF) listed (PBDB)
Pseudotervia ✝ genus	doubtful (GBIF) listed (PBDB)	4	72.1 Ma Late/Upper Cretaceous	66.0 Ma Late/Upper Cretaceous
Psilosolen genus	accepted (GBIF) listed (PBDB)			0 Ma Extant
Pustulopora ✝ genus	accepted (GBIF) listed (PBDB)	23	72.1 Ma Late/Upper Cretaceous	12.7 Ma Miocene
Pyricavea ✝ genus	accepted (GBIF) listed (PBDB)
Radicipora ✝ genus	doubtful (GBIF) listed (PBDB)	3	161 Ma Jurassic	161 Ma Jurassic
Radiocavaria ✝ genus	doubtful (GBIF) listed (PBDB)
Radiofascigera genus	accepted (GBIF) listed (PBDB)	1	7.25 Ma Miocene	0 Ma Extant
Ramia ✝ genus	doubtful (GBIF) listed (PBDB)	1	237 Ma Middle Triassic	237 Ma Middle Triassic
Ramofilisparsa ✝ genus	accepted (GBIF) listed (PBDB)
Reptaria ✝ genus	accepted (GBIF) listed (PBDB)	22	423 Ma Silurian	383 Ma Late/Upper Devonian
Reptelea ✝ genus	accepted (GBIF) listed (PBDB)
Reptocavea ✝ genus	accepted (GBIF) listed (PBDB)	6	145 Ma Late Jurassic	136 Ma Early/Lower Cretaceous
Reptoceritites ✝ genus	accepted (GBIF) listed (PBDB)
Reptofascigera ✝ genus	accepted (GBIF) listed (PBDB)
Reptomulticava ✝ genus	accepted (GBIF) listed (PBDB)	19	140 Ma Early/Lower Cretaceous	105 Ma Early/Lower Cretaceous
Reptomulticlausa ✝ genus	doubtful (GBIF) listed (PBDB)	1	140 Ma Early/Lower Cretaceous	140 Ma Early/Lower Cretaceous
Reptonodicava ✝ genus	doubtful (GBIF) listed (PBDB)	2	228 Ma Late/Upper Triassic	140 Ma Early/Lower Cretaceous
Retecava ✝ genus	doubtful (GBIF) listed (PBDB)	1	66.0 Ma Late/Upper Cretaceous	66.0 Ma Late/Upper Cretaceous
Retelea ✝ genus	accepted (GBIF) listed (PBDB)
Retenoa ✝ genus	doubtful (GBIF) listed (PBDB)
Reteporidea ✝ genus	accepted (GBIF) listed (PBDB)	4	272 Ma Permian	85.8 Ma Late/Upper Cretaceous
Reticrisina ✝ genus	accepted (GBIF) listed (PBDB)	2	89.8 Ma Late/Upper Cretaceous	89.8 Ma Late/Upper Cretaceous
Reticulipora ✝ genus	accepted (GBIF) listed (PBDB)	1	83.5 Ma Late/Upper Cretaceous	83.5 Ma Late/Upper Cretaceous
Rhipidiopora ✝ genus	doubtful (GBIF) listed (PBDB)
Rosacilla ✝ genus	accepted (GBIF) listed (PBDB)
Sagenella ✝ genus	doubtful (GBIF) listed (PBDB)	1	431 Ma Silurian	431 Ma Silurian
Seguenziella ✝ genus	doubtful (GBIF) listed (PBDB)
Semicea ✝ genus	accepted (GBIF) listed (PBDB)
Semicinctipora ✝ genus	doubtful (GBIF) listed (PBDB)
Semiclausa ✝ genus	accepted (GBIF) listed (PBDB)
Semicytella ✝ genus	doubtful (GBIF) listed (PBDB)	1	85.8 Ma Late/Upper Cretaceous	85.8 Ma Late/Upper Cretaceous
Semicytis ✝ genus	accepted (GBIF) listed (PBDB)
Semielea ✝ genus	accepted (GBIF) listed (PBDB)
Semifascipora ✝ genus	accepted (GBIF) listed (PBDB)
Semifungella ✝ genus	doubtful (GBIF) listed (PBDB)
Semilaterotubigera ✝ genus	accepted (GBIF) listed (PBDB)
Semimulticavea ✝ genus	accepted (GBIF) listed (PBDB)	13	125 Ma Early/Lower Cretaceous	105 Ma Early/Lower Cretaceous
Seminodicrescis ✝ genus	accepted (GBIF) listed (PBDB)	3	125 Ma Early/Lower Cretaceous	105 Ma Early/Lower Cretaceous
Semitubigera ✝ genus	accepted (GBIF) listed (PBDB)
Serpentipora genus	accepted (GBIF) listed (PBDB)	2	70.6 Ma Late/Upper Cretaceous	0 Ma Extant
Silenopora ✝ genus	doubtful (GBIF) listed (PBDB)
Siphoniotyphlus ✝ genus	accepted (GBIF) listed (PBDB)
Sparsicavea ✝ genus	accepted (GBIF) listed (PBDB)
Sparsicytis ✝ genus	doubtful (GBIF) listed (PBDB)
Sphaerogypina ✝ genus	doubtful (GBIF) listed (PBDB)
Spinopora ✝ genus	accepted (GBIF) listed (PBDB)
Spirentalophora ✝ genus	accepted (GBIF) listed (PBDB)	6	136 Ma Early/Lower Cretaceous	136 Ma Early/Lower Cretaceous
Spirentolophora ✝ genus	doubtful (GBIF) listed (PBDB)
Spiropora ✝ genus	accepted (GBIF) listed (PBDB)	11	168 Ma Middle Jurassic	5.33 Ma Miocene
Spridmonea ✝ genus	doubtful (GBIF) listed (PBDB)
Stathmepora ✝ genus	doubtful (GBIF) listed (PBDB)
Stellocavea ✝ genus	accepted (GBIF) listed (PBDB)
Stephanodesma ✝ genus	doubtful (GBIF) listed (PBDB)
Stigmatoechos ✝ genus	accepted (GBIF) listed (PBDB)	1	20.4 Ma Miocene	20.4 Ma Miocene
Stomatoporopsis ✝ genus	doubtful (GBIF) listed (PBDB)
Sulcocava ✝ genus	accepted (GBIF) listed (PBDB)
Supercytis ✝ genus	accepted (GBIF) listed (PBDB)
Talmontipora ✝ genus	accepted (GBIF) listed (PBDB)
Tennysonia genus	accepted (GBIF) listed (PBDB)			0 Ma Extant
Terebellaria ✝ genus	accepted (GBIF) listed (PBDB)	1	168 Ma Middle Jurassic	168 Ma Middle Jurassic
Tetragonoecia ✝ genus	doubtful (GBIF) listed (PBDB)	12	136 Ma Early/Lower Cretaceous	136 Ma Early/Lower Cretaceous
Tetrapora ✝ genus	doubtful (GBIF) listed (PBDB)	2	161 Ma Jurassic	161 Ma Jurassic
Tetrocycloecia genus	accepted (GBIF) listed (PBDB)	5	125 Ma Early/Lower Cretaceous	0 Ma Extant
Tretonea ✝ genus	doubtful (GBIF) listed (PBDB)	1	20.4 Ma Miocene	20.4 Ma Miocene
Triplozooecia ✝ genus	doubtful (GBIF) listed (PBDB)
Trochiliopora ✝ genus	accepted (GBIF) listed (PBDB)	1	16.0 Ma Miocene	16.0 Ma Miocene
Truncatula ✝ genus	accepted (GBIF) listed (PBDB)	1	83.5 Ma Late/Upper Cretaceous	83.5 Ma Late/Upper Cretaceous
Truncatulipora ✝ genus	doubtful (GBIF) listed (PBDB)	1	136 Ma Early/Lower Cretaceous	136 Ma Early/Lower Cretaceous
Tubigera ✝ genus	accepted (GBIF) listed (PBDB)
Umbrellina ✝ genus	doubtful (GBIF) listed (PBDB)	2	383 Ma Late/Upper Devonian	376 Ma Late/Upper Devonian
Unicrisia ✝ genus	accepted (GBIF) listed (PBDB)
Unicytis genus	accepted (GBIF) listed (PBDB)	1	83.6 Ma Late/Upper Cretaceous	0 Ma Extant
Unitubigera ✝ genus	accepted (GBIF) listed (PBDB)	1	140 Ma Early/Lower Cretaceous	140 Ma Early/Lower Cretaceous
Voigtia ✝ genus	doubtful (GBIF) listed (PBDB)
Voigticytis ✝ genus	doubtful (GBIF) listed (PBDB)	1	145 Ma Late Jurassic	145 Ma Late Jurassic
Voigtiella ✝ genus	doubtful (GBIF) listed (PBDB)
Wassypora ✝ genus	doubtful (GBIF) listed (PBDB)	3	136 Ma Early/Lower Cretaceous	130 Ma Early/Lower Cretaceous
Wolinella ✝ genus	doubtful (GBIF) listed (PBDB)
Ybseloscoecia genus	doubtful (GBIF) listed (PBDB)			0 Ma Extant
Zonopora ✝ genus	accepted (GBIF) listed (PBDB)	2	140 Ma Early/Lower Cretaceous	133 Ma Early/Lower Cretaceous

Synonymy List

Year	Name and Author
1852	Cyclostomata Busk
1904	Cyclostomata Ulrich and Bassler p. 404
1956	Cyclostomata Brown
1968	Cyclostomata Bardack and Zangerl p. 1265
1976	Cyclostomata Brood
1999	Cyclostomata Gordon and Taylor
2002	Cyclostomata Sepkoski, Jr.

Year	Name and Author
2003	Cyclostomata Schmidt
2007	Cyclostomata Guha and Gopikrishna p. 1272
2009	Cyclostomata Jimenez Sanchez
2010	Cyclostomata Zato? and Taylor p. 277
2012	Cyclostomata Ernst and Nakrem
2015	Cyclostomata Gordon and Taylor

References

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

Ulrich E. O., Bassler R. S. (1904) Bryozoa, Maryland Geological Survey Miocene Text, 430-431

Brown D. A. (1956) Some Pliocene Polyzoa from South Australia, Annals and Magazine of Natural History 9 104, 593-611 doi:10.1080/00222935608655864

Bardack D., Zangerl R. (1968) First Fossil Lamprey: A Record from the Pennsylvanian of Illinois, Science 162 3859, 1265-1267

Brood K. (1976) Cyclostomatous Bryozoa from the Paleocene and Maastrichtian of Majunga basin Madagascar, Géobios 9 4, 393-408

Gordon D. P., Taylor P. D. (1999) Latest Paleocene to earliest Eocene bryozoans from Chatham Island, New Zealand, Bulletin of the Natural History Museum of London: Geology Series 55 1, 1-45

Schmidt R. (2003) Eocene bryozoa of the St. Vincent Basin, south Australia – taxonomy, biogeography and palaeoenvironments, 1-343

Guha A. K., Gopikrishna K. (2007) Cyclostoma Bryozoa from the (Eocene) Lutetian of western Kachchh, Gujarat, Journal of the Geological Society of India 69, 1271-1278

Jimenez Sanchez A. (2009) The upper Katian (Ordovician) bryozoans from the Eastern Iberian Chains (NE Spain), Bulletin of Geosciences 84 4, 687-738

Zatoń M., Taylor P. D. (2010) Bathonian (Middle Jurassic) cyclostome bryozoans from the Polish Jura, Bulletin of Geosciences 85, 275-302

Ernst A., Nakrem H. A. (2012) Late Ordovician (Sandbian) bryozoans and their depositional environment, Furuberget Formation, Mjøsa District, Oslo Region, Norway, Bulletin of Geosciences 87 1, 21-44

Gordon D. P., Taylor P. D. (2015) Bryozoa of the Early Eocene Tumaio Limestone, Chatham Island, New Zealand, Journal of Systematic Palaeontology, 1-88 doi:10.1080/14772019.2014.991905

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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