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BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

Eosphargis

Description

Eosphargis is an extinct genus of sea turtles from the Eocene of Africa, Europe, and North America. It was first named by Richard Lydekker in 1889, and contains one species, E. gigas. The species is also known as Anglocetus beatsoni.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4818690https://www.gbif.org/species/4818690
PaleoBioDB ID (PBDB)36347https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=36347
Rankgenus
Taxonomy (GBIF,PBDB)Life : Animalia : Chordata : Reptilia : Testudines : Dermochelyidae : Eosphargis
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SauropsidaHuxley 1864
classReptiliaLaurenti 1768
-Testudinata
orderTestudinesBatsch 1788
-PancryptodiraJoyce et al. 2004
superfamilyChelonioideaBaur 1893
familyDermochelyidaeLydekker 1889
genusEosphargisLydekker 1889
Scientific NameEosphargis Lydekker, 1889
Name Published InQuart. J. Geol. Soc., 45
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Eosphargisgenusbelongs to Dermochelyidaestated without evidenceLydekker, 1889
Eosphargisgenusbelongs to Allopleuroninaestated without evidenceWeems, 1988
Eosphargisgenusbelongs to DermochelyidaeimpliedCarroll, 1988
Eosphargisgenusbelongs to Dermochelyidaestated without evidenceHirayama, 1995
Eosphargisgenusbelongs to Cheloniasecond handSepkoski, 2002
Eosphargisgenusbelongs to Dermochelyidaestated without evidenceJoyce et al., 2004
Status (PBDB)extinct
Taxon Size (PBDB)4
First Recorded Appearance59.2 - 56.0 Ma
Paleocene
Last Recorded Appearance55.8 - 47.8 Ma
Eocene
Environmentmarine (based on Dermochelyidae)
Motilityactively mobile (based on Osteichthyes)
Dietdurophage, piscivore (based on Dermochelyidae)
Reproductionoviparous (based on Dermochelyidae)
Taphonomyphosphatic (based on Vertebrata)
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/Eosphargis

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Eosphargis breineri
species
listed (PBDB)156.0 Ma
Paleocene
56.0 Ma
Paleocene
Eosphargis gigas
species
accepted (GBIF)
listed (PBDB)
556.0 Ma
Paleocene
55.8 Ma
Eocene
Eosphargis insularis
species
accepted (GBIF)
listed (PBDB)
259.2 Ma
Paleocene
58.7 Ma
Paleocene

Synonymy List

YearName and Author
1889Eosphargis Lydekker
1963Anglocetus Tarlo p. 320
1967Anglocetus Harland et al. p. 774
1972Anglocetus Sahni and Mishra p. 491
1973Anglocetus Romero-Herrera et al. p. 391
1988Eosphargis Carroll
YearName and Author
1988Eosphargis Weems p. 141 figs. Table 2
1995Eosphargis Hirayama p. 282
2002Eosphargis Sepkoski, Jr.
2004Eosphargis Joyce et al.
2014Eosphargis Weems

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560
Tarlo L. B. H. (1963) A primitive whale from the London Clay of the Isle of Sheppey, Proceedings of the Geologists' Association 74 3, 319-323
Sahni A., Mishra V.P. (1972) A new species of Protocetus (Cetacea) from the Middle Eocene of Kutch, western India, Palaeontology 15 3, 490-495
Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698
Weems R. E. (1988) Paleocene turtles from the Aquia and Brightseat Formations, with a discussion of their bearing on sea turtle evolution and phylogeny, Proceedings of the Biological Society of Washington 101 1, 109-145
Joyce W. G., Parham J. F., et al (2004) Developing a protocol for the conversion of rank-based taxon names to phylogenetically defined clade names, as exemplified by turtles, Journal of Paleontology 78 5, 989-1013
Weems R. E. (2014) Paleogene chelonians from Maryland and Virginia, PaleoBios 31 1, 1-32
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: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - 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
Quart. J. Geol. Soc., 45 - 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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