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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 Santonian 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
1930Protostega advena Hay p. 78
1953Chelosphargis advena Zangerl p. 80
1981Chelosphargis advena Thurmond and Jones p. 127

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
RankNameAuthor
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesuperf
Locomotion: actively mobilec
Life habit: aquaticsubo
Diet: omnivoresubo
Reproduction: oviparoussubo
Created: 2017-04-17 10:37:12
Modified: 2017-04-17 10:37:12
Source: superf = superfamily, subo = suborder, c = class, subp = subphylum
References: Uetz 2005, Bush and Bambach 2015, Hendy et al. 2009, Carroll 1988

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
Santonian86.3 - 83.6USA (Kansas) Protostega advena (type locality: 203742)
Late/Upper Santonian - Early/Lower Campanian85.8 - 70.6USA (Alabama) Chelosphargis advena (81927 81934 81972)