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Isophragma ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4866251	https://www.gbif.org/species/4866251
PaleoBioDB ID (PBDB)	27484	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=27484

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Brachiopoda : Strophomenata : Strophomenida : Plectambonitidae : Isophragma

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Spiralia
superphylum	Lophotrochozoa
-	Lophophorata
phylum	Brachiopoda	Cuvier 1805
subphylum	Rhynchonelliformea	Williams et al. 1996
class	Strophomenata	Williams et al 1996
order	Strophomenida	Opik 1934
superfamily	Plectambonitoidea	Jones 1928
family	Plectambonitidae	Kozlowski 1929
subfamily	Taphrodontinae	Cooper 1956
genus	Isophragma	Cooper 1956

Scientific Name

Isophragma Cooper, 1956

Name Published In

Smithson. Misc. Collns 127

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Isophragma	genus	belongs to Isopiiragmatinae	stated with evidence	Mitchell, 1977
Isophragma	genus	belongs to Taphrodontinae	stated with evidence	Williams et al., 2000
Isophragma	genus	belongs to Strophomenida	second hand	Sepkoski, 2002
Isophragma	genus	belongs to Taphrodontinae	stated with evidence	Liljeroth et al., 2017

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

472 - 461 Ma
Ordovician

Last Recorded Appearance

453 - 445 Ma
Late/Upper Ordovician

Motility

stationary (based on Strophomenida)

Vision

blind (based on Strophomenata)

Diet

suspension feeder (based on Strophomenida)

Taphonomy

low Mg calcite (based on Brachiopoda)

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	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Isophragma biseptatum species	accepted (GBIF)	No associated record in PBDB
Isophragma extensum ✝ species	accepted (GBIF) listed (PBDB)		10	470 Ma Middle Ordovician	453 Ma Late/Upper Ordovician
Isophragma orientale ✝ species	accepted (GBIF) listed (PBDB)		2	467 Ma Middle Ordovician	466 Ma Middle Ordovician
Isophragma parallelum ✝ species	accepted (GBIF) listed (PBDB)		2	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Isophragma ponderosum ✝ species	accepted (GBIF) listed (PBDB)		2	458 Ma Late/Upper Ordovician	458 Ma Late/Upper Ordovician
Isophragma pseudoretroflexum ✝ species	accepted (GBIF) listed (PBDB)		4	461 Ma Middle Ordovician	458 Ma Late/Upper Ordovician
Isophragma ricevillense ✝ species	accepted (GBIF) listed (PBDB)		1	453 Ma Late/Upper Ordovician	453 Ma Late/Upper Ordovician
Isophragma subabbreviatum ✝ species	accepted (GBIF) listed (PBDB)		1	468 Ma Middle Ordovician	468 Ma Middle Ordovician
Isophragma sulcatum species	accepted (GBIF)	No associated record in PBDB

Synonymy List

Year	Name and Author
1956	Isophragma Cooper
1977	Isophragma Mitchell
2000	Isophragma Williams et al. p. 309
2002	Isophragma Sepkoski, Jr.
2017	Isophragma Liljeroth et al.

References

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

Mitchell W. I. (1977) The Ordovician Brachiopoda from Pomeroy, Co. Tyrone, The Palaeontographical Society Monographs 130 545, 1-138

Williams A., Carlson S. J., et al (2000) Part H Brachiopoda (revised): Volumes 2 & 3, Linguliformea, Craniiformea, Rhynchonelliformea (part)., Treatise on Invertebrate Paleontology, 1-919

Liljeroth M., Harper D. A. T., et al (2017) Ordovician rhynchonelliformean brachiopods from Co. Waterford, SE Ireland: Palaeobiogeography of the Leinster Terrane, Fossils and Strata 62, 1-164 doi:10.111/let.12205

GBIF/Paleo Database - via The Interim Register of Marine and Nonmarine Genera

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

Sepkoski, J. J., Jr. (2002). A compendium of fossil marine animal genera. Bulletins of American Paleontology. 363, 1-560. - via The Interim Register of Marine and Nonmarine Genera

Smithson. Misc. Collns 127 - via The Interim Register of Marine and Nonmarine Genera

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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