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Tropidelasma ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4866762	https://www.gbif.org/species/4866762
PaleoBioDB ID (PBDB)	28082	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=28082

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Brachiopoda : Strophomenata : Orthotetida : Schuchertellidae : Tropidelasma

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	Orthotetida	Waagen 1884
superfamily	Orthotetoidea	Waagen 1884
family	Schuchertellidae	Williams 1953
subfamily	Streptorhynchinae	Stehli 1954
genus	Tropidelasma	Cooper & Grant 1969

Scientific Name

Tropidelasma Cooper & Grant, 1969

Name Published In

Smithson. Contr. Paleobiol. No. 1

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Tropidelasma	genus	belongs to Streptorhynchinae	stated with evidence	Williams et al., 2000
Tropidelasma	genus	belongs to Strophomenida	second hand	Sepkoski, 2002

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

304 - 299 Ma
Carboniferous

Last Recorded Appearance

254 - 252 Ma
Permian

Motility

stationary, attached (based on Brachiopoda)

Vision

blind (based on Strophomenata)

Diet

suspension feeder (based on Brachiopoda)

Taphonomy

low Mg calcite (based on Brachiopoda)

Primary Reference (PBDB)

G. A. Cooper and R. E. Grant. 1969. New Permian brachiopods from west Texas. Smithsonian Contributions to Paleobiology 1:1-20

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Erismatina cooperi ✝ species	accepted (GBIF) listed (PBDB)		3	254 Ma Permian	254 Ma Permian
Tropidelasma anthicum ✝ species	accepted (GBIF) listed (PBDB)		12	272 Ma Permian	269 Ma Permian
Tropidelasma cooperi species	accepted (GBIF)	No associated record in PBDB
Tropidelasma corniculum ✝ species	accepted (GBIF) listed (PBDB)		15	279 Ma Permian	272 Ma Permian
Tropidelasma costellatum ✝ species	accepted (GBIF) listed (PBDB)		2	290 Ma Permian	279 Ma Permian
Tropidelasma culmenatum ✝ species	accepted (GBIF) listed (PBDB)		10	304 Ma Carboniferous	299 Ma Carboniferous
Tropidelasma curtum ✝ species	accepted (GBIF) listed (PBDB)		2	279 Ma Permian	272 Ma Permian
Tropidelasma daijiagouensis ✝ species	accepted (GBIF) listed (PBDB)		1	254 Ma Permian	254 Ma Permian
Tropidelasma elongata ✝ species	accepted (GBIF) listed (PBDB)		2	254 Ma Permian	254 Ma Permian
Tropidelasma furcillatum ✝ species	accepted (GBIF) listed (PBDB)		4	272 Ma Permian	272 Ma Permian
Tropidelasma gregarium ✝ species	accepted (GBIF) listed (PBDB)		32	272 Ma Permian	265 Ma Permian
Tropidelasma perattenuatum ✝ species	accepted (GBIF) listed (PBDB)		1	272 Ma Permian	272 Ma Permian
Tropidelasma ptomatis ✝ species	accepted (GBIF) listed (PBDB)		3	260 Ma Permian	260 Ma Permian
Tropidelasma pygmaeum ✝ species	accepted (GBIF) listed (PBDB)		10	290 Ma Permian	272 Ma Permian
Tropidelasma rhamphodes ✝ species	accepted (GBIF) listed (PBDB)		9	290 Ma Permian	279 Ma Permian
Tropidelasma robertsi ✝ species	accepted (GBIF) listed (PBDB)		2	279 Ma Permian	279 Ma Permian
Tropidelasma strobilum ✝ species	accepted (GBIF) listed (PBDB)		7	296 Ma Permian	290 Ma Permian
Tropidelasma triangularis ✝ species	accepted (GBIF) listed (PBDB)		4	254 Ma Permian	254 Ma Permian
Tropidelasma undulatum ✝ species	accepted (GBIF) listed (PBDB)		4	279 Ma Permian	279 Ma Permian
Tropidelasma yamasugensis ✝ species	accepted (GBIF) listed (PBDB)		1	272 Ma Permian	272 Ma Permian
Tropidelasma zhongliangshanensis ✝ species	accepted (GBIF) listed (PBDB)		6	254 Ma Permian	254 Ma Permian

Synonymy List

Year	Name and Author
1969	Tropidelasma Cooper and Grant p. 3
1983	Erismatina Waterhouse p. 117
1985	Parageyerella He and Zhu p. 201
2000	Tropidelasma Williams et al.
2002	Erismatina Sepkoski, Jr.
2002	Parageyerella Sepkoski, Jr.
2002	Tropidelasma Sepkoski, Jr.

References

Cooper G. A., Grant R. E. (1969) New Permian brachiopods from west Texas, Smithsonian Contributions to Paleobiology 1, 1-20

Waterhouse J. B. (1983) A Late Permian lyttoniid fauna from northwest Thailand, Papers - Department of Geology, University of Queensland 10 3, 111-153

He X.L., Zhu M.L. (1985) Some Upper Permian new genera and species of Orthotetacea in southwest China, Acta Palaeontologica Sinica 24 2, 198-204

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

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

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. Contr. Paleobiol. No. 1 - 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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