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Chelosphargis advena

Reptilia - Testudines - Protostegidae

Taxonomy
Protostega advena was named by Hay (1908). Its type specimen is KUVP 1209, a partial skeleton (plastron, twelve marginalia, two or three neuralia, and portions of two costal plates), and it is a 3D body fossil. Its type locality is Niobrara, which is in a Senonian marine chalk in the Niobrara Formation of Kansas. It is the type species of Chelosphargis.

It was recombined as Chelosphargis advena by Zangerl (1953) and Thurmond and Jones (1981).

Synonymy list
YearName and author
1908Protostega advena Hay p. 199 figs. Figs. 256-259
1909Protostega advena Wieland p. 103
1953Chelosphargis advena Zangerl p. 80
1981Chelosphargis advena Thurmond and Jones p. 127

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
RankNameAuthor
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
PancryptodiraJoyce et al. 2004
superfamilyChelonioidea
familyProtostegidaeCope 1873
genusChelosphargis
speciesadvena()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesuperf
Locomotion: actively mobilec
Created: 2017-04-17 10:37:12
Modified: 2017-04-17 10:37:12
Source: superf = superfamily, c = class, subp = subphylum
References: Carroll 1988, Bush and Bambach 2015, Hendy et al. 2009

Age range: base of the Late/Upper Santonian to the top of the Santonian or 85.80000 to 83.60000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Senonian89.3 - 66.0USA (Kansas) Protostega advena (type locality: 203742)
Santonian86.3 - 83.6USA (Alabama) Chelosphargis advena (81927)
Santonian - Maastrichtian86.3 - 66.0USA (Alabama) Chelosphargis advena (81972)
Late/Upper Santonian - Early/Lower Campanian85.8 - 70.6USA (Alabama) Chelosphargis advena (81934)