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Chelosphargis ✝

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Description

Chelosphargis is an extinct genus of sea turtle from Upper Cretaceous of Alabama. Only one species has been described, Chelosphargis advena.

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

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4818915	https://www.gbif.org/species/4818915
PaleoBioDB ID (PBDB)	36336	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=36336

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Chordata : Reptilia : Testudines : Protostegidae : Chelosphargis

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Triploblastica	Lankester 1877
-	Nephrozoa	Jondelius et al. 2002
-	Deuterostomia	Grobben 1908
phylum	Chordata	Haeckel 1847
subphylum	Vertebrata	Lamarck 1801
superclass	Gnathostomata	Gegenbauer 1874
-	Osteichthyes
-	Sarcopterygii	Romer 1955
subclass	Dipnotetrapodomorpha
subclass	Tetrapodomorpha
-	Tetrapoda
-	Reptiliomorpha	Säve-Söderbergh 1934
-	Anthracosauria	Säve-Söderbergh 1934
-	Batrachosauria
-	Cotylosauria
-	Amniota	Haeckel 1866
-	Sauropsida	Huxley 1864
class	Reptilia	Laurenti 1768
-	Testudinata
order	Testudines	Batsch 1788
-	Pancryptodira	Joyce et al. 2004
superfamily	Chelonioidea	Baur 1893
family	Protostegidae	Cope 1873
genus	Chelosphargis	Zangerl 1953

Scientific Name

Chelosphargis Zangerl, 1953

Name Published In

Fieldiana: Geol. Mem., 3, (3-4), 80

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Chelosphargis	genus	belongs to Chelospharginae	stated without evidence	Zangerl, 1953
Chelosphargis	genus	belongs to Protostegidae	stated without evidence	Thurmond and Jones, 1981
Chelosphargis	genus	belongs to Chelospharginae	stated without evidence	Weems, 1988
Chelosphargis	genus	belongs to Protostegidae	implied	Carroll, 1988
Chelosphargis	genus	belongs to Protostegidae	stated without evidence	Hirayama, 1995
Chelosphargis	genus	belongs to Chelospharginae	stated with evidence	Hooks, 1998
Chelosphargis	genus	belongs to Chelonia	second hand	Sepkoski, 2002
Chelosphargis	genus	belongs to Dermochelyoidae	stated without evidence	Bardet et al., 2013
Chelosphargis	genus	belongs to Protostegidae	stated with evidence	de Lapparent de Broin et al., 2014

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

89.3 - 83.6 Ma
Late/Upper Cretaceous

Last Recorded Appearance

85.8 - 66.0 Ma
Late/Upper Cretaceous

Environment

marine (based on Chelonioidea)

Motility

actively mobile (based on Osteichthyes)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

R. Zangerl. 1953. The vertebrate fauna of the Selma Formation of Alabama. Part III. The turtles of the family Protostegidae. Fieldiana: Geology Memoirs 3(3):63-133

Wikipedia

https://en.wikipedia.org/wiki/Chelosphargis

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Chelosphargis advena ✝ species	accepted (GBIF) listed (PBDB)		4	89.3 Ma Late/Upper Cretaceous	85.8 Ma Late/Upper Cretaceous

Synonymy List

Year	Name and Author
1953	Chelosphargis Zangerl p. 80
1981	Chelosphargis Thurmond and Jones p. 127
1988	Chelosphargis Carroll
1988	Chelosphargis Weems p. 141 figs. Table 2
1995	Chelosphargis Hirayama p. 282
1998	Chelosphargis Hooks
2002	Chelosphargis Sepkoski, Jr.
2013	Chelosphargis Bardet et al.
2014	Chelosphargis de Lapparent de Broin et al.

References

Zangerl R. (1953) The vertebrate fauna of the Selma Formation of Alabama. Part III. The turtles of the family Protostegidae, Fieldiana: Geology Memoirs 3 3, 63-133

Thurmond J. T., Jones D. E. (1981) , Fossil Vertebrates of Alabama, 1-244

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

Hooks G. E. (1998) Systematic revision of the Protostegidae, with a redescription of Calcarichelys gemima Zangerl, 1953, Journal of Vertebrate Paleontology 18 1, 85-98

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

Bardet N., Jalil N.-E., et al (2013) A Giant Chelonioid Turtle from the Late Cretaceous of Morocco with a Suction Feeding Apparatus Unique among Tetrapods, PLoS One 8 7, e63586 doi:10.1371/journal.pone.0063586

de Lapparent de Broin F., Bardet N., et al (2014) A strange new chelonioid turtle from the latest Cretaceous phosphates of Morocco, Comptes Rendus Palevol 13 2, 87-95

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

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

Fieldiana: Geol. Mem., 3, (3-4), 80 - 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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