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Laevitrigonia ✝

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Description

Laevitrigonia is a genus of fossil clams, marine bivalve mollusks in the family Trigoniidae. This bivalve is sometimes preserved with mineralized soft-tissue.

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

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	7392680	https://www.gbif.org/species/7392680
PaleoBioDB ID (PBDB)	17224	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=17224

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Mollusca : Bivalvia : Trigoniida : Laevitrigoniidae : Laevitrigonia

Taxonomy (PBDB)

Life : Animalia : Mollusca : Bivalvia : Trigoniida : Laevitrigoniidae : Laevitrigonia

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	Myophorelloidea
-	Myophorelloidae	Kobayashi 1954
family	Laevitrigoniidae	Saveliev 1958
subfamily	Laevitrigoniinae	Saveliev 1958
genus	Laevitrigonia	Lebküchner 1932

Scientific Name

Laevitrigonia Lebküchner, 1932

Name Published In

Palaeont. Z., 7 (2)

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Laevitrigonia	genus	belongs to Trigoniidae	stated with evidence	Cox, 1952
Laevitrigonia	genus	belongs to Laevitrigoniinae	stated with evidence	Fleming, 1987
Laevitrigonia	genus	belongs to Trigonioida	second hand	Sepkoski, 2002
Laevitrigonia	genus	belongs to Laevitrigoniinae	stated without evidence	Bouchet et al., 2010

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

191 - 183 Ma
Early Jurassic

Last Recorded Appearance

70.6 - 66.0 Ma
Late/Upper Cretaceous

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)

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/Laevitrigonia

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Laevitrigonia (Malagasitrigonia) ✝ subgenus	listed (PBDB)		1	174 Ma Middle Jurassic	174 Ma Middle Jurassic
Laevitrigonia cardiniiformis ✝ species	listed (PBDB)
Laevitrigonia cineris species	accepted (GBIF)	No associated record in PBDB
Laevitrigonia eudesi ✝ species	listed (PBDB)
Laevitrigonia gibbosa ✝ species	listed (PBDB)		2	156 Ma Jurassic	145 Ma Late Jurassic
Laevitrigonia meridiana ✝ species	listed (PBDB)
Laevitrigonia oviedensis ✝ species	listed (PBDB)
Laevitrigonia spissicostata ✝ species	listed (PBDB)		1	164 Ma Middle Jurassic	164 Ma Middle Jurassic
Laevitrigonia trapeziformis ✝ species	listed (PBDB)
Laevitrigonia troedssoni ✝ species	listed (PBDB)		2	191 Ma Early Jurassic	190 Ma Early Jurassic

Synonymy List

Year	Name and Author
1932	Laevitrigonia Lebküchner p. 35
1952	Laevitrigonia Cox
1987	Laevitrigonia Fleming pp. 37, 38
2002	Laevitrigonia Sepkoski, Jr.
2010	Laevitrigonia Bouchet et al.

References

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

Cox L. R. (1952) Notes on the Trigoniidae, with outlines of a classification of the family, Proceedings of the Malacological Society of London 29, 45-70 doi:10.1093/oxfordjournals.mollus.a064606

Fleming C. A. (1987) New Zealand Mesozoic Bivalves of the Superfamily Trigoniacea, New Zealand Geological Survey Paleontological Bulletin 53

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

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

Palaeont. Z., 7 (2) - 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

WoRMS (Nov 2016). - 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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