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Chesapecten jeffersonius

Description

Chesapecten jeffersonius is the state fossil of the State of Virginia in the United States. It is the fossilized form of an extinct scallop, which lived in the early Pliocene epoch between four and five million years ago on Virginia's coastal plain. In 1687, Martin Lister published a drawing of C. jeffersonius, making it the first North American fossil to be illustrated in scientific literature.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)7347888https://www.gbif.org/species/7347888
PaleoBioDB ID (PBDB)108717https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=108717
Rankspecies
Taxonomy (GBIF)Life : Animalia : Mollusca : Bivalvia : Myalinida : Myalinidae : Chesapecten : Chesapecten jeffersonius
Taxonomy (PBDB)Life : Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Chesapecten : Chesapecten jeffersonius
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Spiralia
superphylumLophotrochozoa
phylumMolluscaLinnaeus 1758
classBivalviaLinnaeus 1758
-EubivalviaCarter 2011
subclassAutobranchia
infraclassPteriomorphia
-OstreomorphiFerussac 1822
-OstreioniFerussac 1822
-OstreataFerussac 1822
superorderOstreiformiiFerussac 1822
orderPectinida
suborderPectinidina
superfamilyPectinoideaRafinesque 1815
-PectinoidaeRafinesque 1815
familyPectinidaeWilkes 1810
genusChesapectenWard and Blackwelder 1975
speciesChesapecten jeffersonius(Say 1824)
Generic NameChesapecten
Scientific NameChesapecten jeffersonius
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Chesapecten jeffersoniusspeciesbelongs to Pectenstated without evidenceSay, 1824
Chesapecten jeffersoniusspeciesbelongs to Pecten (Lyropecten)stated with evidenceDall, 1898
Chesapecten jeffersoniusspeciesbelongs to Pecten (Chlamys)stated without evidenceGlenn, 1904
Chesapecten jeffersoniusspeciesbelongs to Chlamys (Lyropecten)stated with evidenceMansfield, 1932
Chesapecten jeffersoniusspeciesbelongs to Pecten (Chlamys)stated with evidenceMansfield, 1936
Chesapecten jeffersoniusspeciesbelongs to Chlamys (Lyropecten)stated with evidenceGardner, 1943
Chesapecten jeffersoniusspeciesbelongs to Chesapectenstated with evidenceWard and Blackwelder, 1975
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance23.0 - 13.8 Ma
Miocene
Last Recorded Appearance2.59 - 0.01 Ma
Pleistocene
Environmentmarine (based on Pectinida)
Motilityfacultatively mobile (based on Pectinidae)
Visionlimited (based on Pectinidae)
Dietsuspension feeder (based on Pectinidae)
Taphonomylow Mg calcite, aragonite (based on Pectinidae)
Primary Reference (PBDB)T. G. Gibson. 1987. Miocene and Pliocene Pectinidae (Bivalvia) from the Lee Creek Mine and adjacent areas. Smithsonian Contributions to Paleobiology 61:31-112
Wikipediahttps://en.wikipedia.org/wiki/Chesapecten_jeffersonius

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Chesapecten jeffersonius septenarius
subspecies
listed (PBDB)65.33 Ma
Miocene
3.60 Ma
Pliocene

Synonymy List

YearName and Author
1824Pecten jeffersonius Say p. 133
1898Pecten (Lyropecten) jeffersonius Dall p. 722
1904Pecten (Chlamys) jeffersonius Glenn p. 378
1932Chlamys (Lyropecten) jeffersonius Mansfield p. 59
1936Pecten (Chlamys) jeffersonius Mansfield p. 174
1943Chlamys (Lyropecten) jeffersonia Gardner pp. 32, 33
1975Chesapecten jeffersonius Ward and Blackwelder p. 13
1987Chesapecten jeffersonius Gibson p. 69

References

Gibson T. G. (1987) Miocene and Pliocene Pectinidae (Bivalvia) from the Lee Creek Mine and adjacent areas, Smithsonian Contributions to Paleobiology 61, 31-112
Glenn L. C. (1904) Pelecypoda, Maryland Geological Survey Miocene Text, 274-401
Gardner J. A. (1943) Mollusca from the Miocene and Lower Pliocene of Virginia and North Carolina, United States Geological Survey Professional Paper 199 A
Ward L. W., Blackwelder B. W. (1975) Chesapecten, a New genus of Pectinidae (Mollusca: Bivalvia) From the Miocene and Pliocene of Eastern North America, US Geological Survey Professional Paper 861, 1-24
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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