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Simoedosauridae

Reptilia - Simoedosauridae

Synonymy list
YearName and author
1884Simoedosauridae Lemone
1990Simoedosauridae Evans
1991Simoedosauridae Evans
1998Simoedosauridae Gao and Fox p. 311
2005Simoedosauridae Gao and Fox p. 439
2007Simoedosauridae Gao and Li p. 270

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
RankNameAuthor
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Choristodera()
suborderNeochoristoderaEvans and Hecht 1993
familySimoedosauridaeLemone 1884
familySimoedosauridaeLemone 1884

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
K. -Q. Gao and R. C. Fox 1998Choristoderes that differ from closely related Champsosauridae by the following autapomorphies: snout elongate but less than 1/2 of skull length; postorbital/postfrontal always fused to form postorbitofrontal; reduced contact of parietal with postorbital/postfrontal complex; postorbital process complex; postorbital process of jugal low or lost; interpterygoid vacuity small, posteriorly located, not enclosed by pterygoid posteriorly; suborbital fenestra subtriangular with straight medial border; posterior openings of internal carotid artery penetrating parasphenoid and opening ventrally; posttemporal fenestra closed; paraoccipital process slightly deflected ventrally; mandibular symphysis anteroposteriorly short, restricted to anterior 1/3 of dentary tooth row; marginal tooth sockets transversely expanded
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Created: 2017-04-17 15:16:03
Modified: 2017-04-17 15:16:03
Source: subc = subclass, c = class, subp = subphylum
References: Kiessling 2004, Carroll 1988, Hendy et al. 2009

Age range: Aptian or 125.00000 to 113.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Aptian125.0 - 113.0China (Liaoning) Liaoxisaurus chaoyangensis (142343)