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Similodonta

Description

Similodonta is an extinct genus of early bivalve in the extinct family Praenuculidae. The genus is one of eleven genera in the subfamily Praenuculinae. Similodonta is known from Middle Ordovician through Middle Silurian fossils found in Europe and North America. The genus currently contains eight accepted species, Similodonta ceryx, Similodonta collina, Similodonta djupvikensis, Similodonta magna, Similodonta recurva, Similodonta spjeldnaesi, Similodonta wahli and the type species Similodonta similis.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4576660https://www.gbif.org/species/4576660
PaleoBioDB ID (PBDB)16127https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=16127
Rankgenus
Taxonomy (GBIF)Life : Animalia : Mollusca : Bivalvia : Nuculida : Praenuculidae : Similodonta
Taxonomy (PBDB)Life : Animalia : Mollusca : Bivalvia : Nuculida : Praenuculidae : Similodonta
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Spiralia
superphylumLophotrochozoa
phylumMolluscaLinnaeus 1758
classBivalviaLinnaeus 1758
orderProtobranchiaPelseneer 1889
superorderNuculiformiiDall 1889
orderNuculida
superfamilyNuculoidea(Gray 1824)
familyPraenuculidaeMcAlester 1968
genusSimilodontaSoot-Ryen 1965
Scientific NameSimilodonta Soot-Ryen, 1965
Name Published InArk. Miner. Geol. 3
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Similodontagenusbelongs to Praenuculidaestated with evidenceCox et al., 1969
Similodontagenusbelongs to Nuculoidasecond handSepkoski, 2002
Similodontagenusbelongs to Praenuculidaestated without evidenceFang, 2006
Status (PBDB)extinct
Taxon Size (PBDB)3
First Recorded Appearance470 - 461 Ma
Middle Ordovician
Last Recorded Appearance427 - 423 Ma
Silurian
Motilityfacultatively mobile, attached (based on Praenuculidae)
Visionblind (based on Bivalvia)
Dietdeposit feeder (based on Praenuculidae)
Ecospace CommentsBODY SIZE: Data from Cox et al. (1969).
Taphonomythin
Primary Reference (PBDB)J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560
Wikipediahttps://en.wikipedia.org/wiki/Similodonta

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Similodonta similis
species
listed (PBDB)
Similodonta spjeldnaesi
species
accepted (GBIF)
listed (PBDB)
2458 Ma
Late/Upper Ordovician
456 Ma
Late/Upper Ordovician
Similodonta wahli
species
accepted (GBIF)No associated record in PBDB
Tellinomya similis
species
accepted (GBIF)No associated record in PBDB

Synonymy List

YearName and Author
1964Similodonta Soot-Ryen
1969Similodonta Cox et al. p. N230
1975Similodonta Toni
1980Similodonta Vokes p. 220
2002Similodonta Sepkoski, Jr.
2006Similodonta Fang

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560
Cox L. R., Newell N. D., et al (1969) Mollusca 6: Bivalvia, Treatise on Invertebrate Paleontology 1, N1-N489
Toni R. T. (1975) Upper Ordovician bivalves from the Oslo Region, Norway, Norsk Geologisk Tidsskrift 55 2, 135-156
Vokes H. E. (1980) Genera of the Bivalvia: a systematic and bibliographic Catalogue, Genera of the Bivalvia: a systematic and bibliographic Catalogue
Fang Z.-J. (2006) An introduction to Ordovician bivalves of southern China, with a discussion of the early evolution of the Bivalvia, Geological Journal 41, 303-328
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
SN2000 unverified - 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
Ark. Miner. Geol. 3 - 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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