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Palaeotaxodonta

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	61566	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=61566

Rank

subclass (PBDB)

Taxonomy (PBDB)

Life : Animalia : Mollusca : Bivalvia : Palaeotaxodonta

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
subclass	Palaeotaxodonta	Korobkov 1954

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Palaeotaxodonta	subclass	belongs to Bivalvia	stated with evidence	Newell, 1965
Palaeotaxodonta	subclass	belongs to Bivalvia	stated without evidence	Squires, 1984
Palaeotaxodonta	subclass	belongs to Pelecypoda	stated with evidence	Ward and Blackwelder, 1987
Palaeotaxodonta	subclass	belongs to Bivalvia	stated without evidence	Stilwell and Zinsmeister, 1992
Palaeotaxodonta	subclass	belongs to Bivalvia	stated with evidence	Cope, 1997
Palaeotaxodonta	subclass	belongs to Bivalvia	stated without evidence	Hinz-Schallreuter, 2000
Palaeotaxodonta	subclass	subjective synonym of Protobranchia	stated without evidence	Bouchet et al., 2010

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

1 (17%)

First Recorded Appearance

479 - 470 Ma
Early/Lower Ordovician

Motility

facultatively mobile (based on Bivalvia)

Vision

blind (based on Bivalvia)

Diet

suspension feeder (based on Bivalvia)

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

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Tironuculidae ✝ family	accepted (GBIF) listed (PBDB)		7	479 Ma Early/Lower Ordovician	461 Ma Middle Ordovician

Synonymy List

Year	Name and Author
1954	Palaeotaxodonta Korobkov
1965	Palaeotaxodonta Newell p. 16
1980	Palaeotaxodonta Vokes p. 1
1983	Palaeotaxodonta Gliozzi and Malatesta p. 87
1984	Palaeotaxodonta Squires p. 40
1987	Palaeotaxodonta Squires p. 54
1987	Palaeotaxodonta Ward and Blackwelder p. 129

Year	Name and Author
1992	Palaeotaxodonta Stilwell and Zinsmeister p. 47
1997	Palaeotaxodonta Cope p. 716
2000	Palaeotaxodonta Hinz-Schallreuter p. 228
2003	Palaeotaxodonta Kiessling
2004	Palaeotaxodonta Spencer et al.
2004	Palaeotaxodonta Stilwell et al. p. 16
2008	Palaeotaxodonta Scholz et al.

References

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

Newell N. D. (1965) Classification of the Bivalvia, American Museum Novitates 2206, 1-25

Gliozzi E., Malatesta A. (1983) I molluschi del Paleocene di Baixa Chinhauanine nel bacino del Rio Massintonto (Maputo - Mozambico), Geologica Romana 22, 85-145

Squires R. L. (1984) Megapaleontology of the Eocene Llajas Formation, Simi Valley, California, Contributions in Science, Natural History Museum of Los Angeles County 350, 1-76

Squires R. L. (1987) Eocene molluscan paleontology of the Whitaker Peak area, Los Angeles and Ventura counties, California, Contributions in Science, Natural History Museum of Los Angeles County 388, 1-93

Ward L. W., Blackwelder B.W. (1987) Late Pliocene and Early Pleistocene Mollusca from the James City and Chowan River Formations at Lee Creek Mine, Smithsonian Contributions to Paleobiology 61, 113-283

Stilwell J. D., Zinsmeister W. J. (1992) Molluscan Systematics and Biostratigraphy, Antarctic Research Series, AGU 55

Cope J. C. W. (1997) The early phylogeny of the Class Bivalvia, Palaeontology 40 3, 713-746

Kiessling W. (2003) Personal data

Spencer H. G., Willan R. C., et al (2004) Checklist of the Recent Mollusca described from the New Zealand Exclusive Economic Zone, [http://www.molluscs.otago.ac.nz/index.html]

Stilwell J. D., Zinsmeister W. J., et al (2004) Early Paleocene Mollusks of Antarctica: Systematics, Paleoecology and Paleobiogeographic Significance, Bulletins of American Paleontology 367

Scholz A., Aberhan M., et al (2008) Early Jurassic bivalves of the Antimonio terrane (Sonora, NW Mexico): Taxonomy, biogeography, and paleogeographic implications, Geological Society of America Special Paper 442, 269-312

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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