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Pankinosternoidea

Reptilia - Testudines

Synonymy list
YearName and author
2004Pankinosternoidea Joyce et al.
2016Pankinosternoidea Joyce and Bourque
2017Pankinosternoidea Lyson et al.

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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
suborderCryptodira
Chelydroidea()
PankinosternoideaJoyce et al. 2004
PankinosternoideaJoyce et al. 2004

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
ReferenceDiagnosis
T. R. Lyson et al. 2017a reduced cruciform plastron, true costiform processes (sensu Joyce, 2007) that cross peripheral I and terminate in peripheral II or III on the visceral shell surface, absence of extragulars, absence of pectorals, absence of a midline contact between the abdominals, and less than four inframarginals,
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: freshwatersubo
Locomotion: actively mobilec
Life habit: aquaticsubo
Diet: omnivoresubo
Reproduction: oviparoussubo
Created: 2005-08-26 14:49:00
Modified: 2005-08-26 16:49:00
Source: subo = suborder, c = class, subp = subphylum
References: Uetz 2005, Carroll 1988, Hendy et al. 2009

Age range: base of the Maastrichtian to the top of the Wasatchian or 72.10000 to 50.30000 Ma

Collections (36 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6USA (Utah) Lutemys warreni (190747)
Maastrichtian72.1 - 66.0USA (North Dakota) Emarginochelys cretacea (137718)
Lancian70.6 - 66.0USA (North Dakota) Emarginochelys cretacea (137715)
Lancian70.6 - 66.0USA (Montana) Emarginochelys cretacea (14616) Emarginochelys sp. (14568) Emarginochelys sp., Chelydridae indet. (14512)
Lancian70.6 - 66.0USA (Wyoming) Emarginochelys sp. (14519)
Late/Upper Maastrichtian70.6 - 66.0USA (Montana) Emarginachelys cretacea (131973)
Puercan66.0 - 63.3USA (Montana) Tullochelys montana (168332 168333 168335 168338 168339)
Late/Upper Paleocene58.7 - 55.8USA (Virginia) Planetochelys savoiei (84048)
Wasatchian55.8 - 50.3USA (Wyoming) Planetochelys dithyros (15529 15532 15538 15553 168286 168296 168304 168310 168312 168318 168319 168320 168321 168328 168330 168331) Planetochelys sp. (59898 59899 59900 118482)
Wasatchian55.8 - 50.3USA (New Mexico) Planetochelys dithyros (176878 176909)