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Trigonodidae ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	3247441	https://www.gbif.org/species/3247441
PaleoBioDB ID (PBDB)	62575	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=62575

Rank

family

Taxonomy (GBIF)

Life : Animalia : Mollusca : Bivalvia : Trigoniida : Trigonodidae

Taxonomy (PBDB)

Life : Animalia : Mollusca : Bivalvia : Trigoniida : Trigonodidae

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
phylum	Mollusca	Linnaeus 1758
class	Bivalvia	Linnaeus 1758
-	Eubivalvia	Carter 2011
subclass	Autobranchia
infraclass	Heteroconchia
-	Uniomorphi	Gray 1854
-	Unioni	Gray 1854
-	Unionata	Gray 1854
order	Trigoniida
superfamily	Trigonodoidea	Modell 1942
family	Trigonodidae	Modell 1942

Scientific Name

Trigonodidae

Name Published In

Modell, H. (1942). Das natürlich System der Najaden. Archiv für Molluskenkunde. 74(5–6):161–191, pl. 5–7.

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Trigonodidae	family	belongs to Unionacea	stated with evidence	Vokes, 1980
Trigonodidae	family	belongs to Trigonodoidea	implied	Nevesskaja, 2009
Trigonodidae	family	belongs to Unionida	stated without evidence	Bouchet et al., 2010
Trigonodidae	family	belongs to Trigonodoidea	stated with evidence	Carter et al., 2011

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

479 - 466 Ma
Ordovician

Last Recorded Appearance

156 - 151 Ma
Jurassic

Motility

facultatively mobile (based on Trigoniida)

Vision

blind (based on Bivalvia)

Diet

suspension feeder (based on Trigoniida)

Taphonomy

aragonite (based on Bivalvia)

Primary Reference (PBDB)

H. E. Vokes. 1980. Genera of the Bivalvia: a systematic and bibliographic Catalogue. Genera of the Bivalvia: a systematic and bibliographic Catalogue

External Images

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Anodontophora ✝ genus	doubtful (GBIF) listed (PBDB)		79	269 Ma Permian	156 Ma Jurassic
Cardinioides genus	accepted (GBIF)	No associated record in PBDB
Cardinioides ✝ genus	doubtful (GBIF) listed (PBDB)		21	265 Ma Permian	191 Ma Early Jurassic
Heminajas ✝ genus	accepted (GBIF) listed (PBDB)		41	252 Ma Permian	228 Ma Late/Upper Triassic
Janaija ✝ genus	accepted (GBIF) listed (PBDB)		23	247 Ma Early/Lower Triassic	242 Ma Middle Triassic
Pachycardia ✝ genus	accepted (GBIF) listed (PBDB)		45	247 Ma Early/Lower Triassic	235 Ma Late/Upper Triassic
Trigonodus ✝ genus	accepted (GBIF) listed (PBDB)		188	479 Ma Early/Lower Ordovician	209 Ma Late/Upper Triassic
Unionites ✝ genus	accepted (GBIF) listed (PBDB)		349	254 Ma Permian	209 Ma Late/Upper Triassic

Synonymy List

Year	Name and Author
1942	Trigonodidae Modell
1980	Trigonodidae Vokes p. 95
2009	Trigonodidae Nevesskaja
2010	Trigonodidae Bouchet et al.
2011	Trigonodidae Carter et al. p. 12

References

Vokes H. E. (1980) Genera of the Bivalvia: a systematic and bibliographic Catalogue, Genera of the Bivalvia: a systematic and bibliographic Catalogue

Nevesskaja L. A. (2009) Principles of Systematics and the System of Bivalves, Paleontological Journal 43 1, 1-11 doi:10.1134/S0031030109010018

Bouchet P., Rocroi J.-P., et al (2010) Nomenclator of Bivalve Families with a Classification of Bivalve Families, Malacologia 52 2, 1-184 doi:10.4002/040.052.0201

Carter J. G., Altaba C. R., et al (2011) A Synoptical Classification of the Bivalvia (Mollusca), University of Kansas Paleontological Institute Paleontological Contributions 4, 1-47

Marine Science Institute, UCSB: Paleobiology Data - via The Interim Register of Marine and Nonmarine Genera

Carter, J. G.; Altaba, C. R.; Anderson, L. C.; Araujo, R.; Biakov, A. S.; Bogan, A. E.; Campbell, D. C.; Campbell, M.; Jin-hua, C.; Cope, J. C. W.; Delvene, G.; Dijkstra, H. H.; Zong-jie, F.; Gardner, R. N.; Gavrilova, V. A.; Goncharova, I. A.; Harries, P. J.; Hartman, J. H.; Hautmann, M.; Hoeh, W. R.; Hylleberg, J.; Bao-yu, J.; Johnston, P.; Kirkendale, L.; Kleemann, K.; Koppka, J.; Kříž, J.; Machado, D.; Malchus, N.; Márquez-Aliaga, A.; Masse, J.-P.; McRoberts, C. A.; Middelfart, P.U.; Mitchell, S.; Nevesskaja, L. A.; Özer, S.; Pojeta, J. Jr.; Polubotko, I.V.; Pons, J. M.; Popov, S.; Sánchez, T.; Sartori, A. F.; Scott, R. W.; Sey, I. I.; Signorelli, J. H.; Silantiev, V. V.; Skelton, P. W.; Steuber, T.; Waterhouse, J. B.; Wingard, G. L.; Yancey, T. (2011). A synoptical classification of the Bivalvia (Mollusca). Paleontological Contributions. 4: 1-47. - via World Register of Marine Species

Modell, H. (1942). Das natürlich System der Najaden. Archiv für Molluskenkunde. 74(5–6):161–191, pl. 5–7. - via World Register of Marine Species

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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