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Sarcolestes leedsi

Reptilia -

Taxonomy
Sarcolestes leedsi was named by Lydekker (1893). Its type specimen is BMNH R2682, a mandible, and it is a 3D body fossil. Its type locality is Fletton brick pit, Peterborough, which is in a Callovian marine horizon in the Oxford Clay Formation of the United Kingdom. It is the type species of Sarcolestes. It was considered monophyletic by Vickaryous et al. (2004).

It was synonymized subjectively with Lexovisaurus durobrivensis by Kuhn (1964); it was considered a nomen dubium by Carpenter (2001).

Synonymy list
YearName and author
1893Sarcolestes leedsi Lydekker p. 286
1956Sarcolestes leedsi Leeds p. 35
1970Sarcolestes leedsi Swinton p. 244
1980Sarcolestes leedsi Galton p. 832
1983Sarcolestes leedsi Galton pp. 2, 17
1988Sarcolestes leedsi Martill p. 182
1994Sarcolestes leedsi Galton p. 726
1997Sarcolestes leedsi Smith p. 509
2000Sarcolestes leedsi Ford p. 175
2001Sarcolestes leedsi Clark p. 22
2004Sarcolestes leedsi Vickaryous et al. p. 367
2007Sarcolestes leedsi Norman et al. p. 867
2008Sarcolestes leedsi Naish and Martill p. 615
2009Sarcolestes leedsi Osi and Makádi p. 233
2013Sarcolestes leedsi Kirkland et al. p. 5
2014Sarcolestes leedsi Blows and Honeysett p. 835
2014Sarcolestes leedsi Han et al. p. 1
2014Sarcolestes leedsi Ulansky p. 11
2018Sarcolestes leedsi Delsate et al. p. 23
2019Sarcolestes leedsi Galton p. 214

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
RankNameAuthor
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Genasauria
Thyreophora()
Ankylosauria()
genusSarcolestes
speciesleedsi

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
P. M. Galton 1980Proportionally small teeth extend to anterior end of dentary, short, medially projecting process bearing symphysis, Meckelian canal open, dermal plate that is fused to lateral surface projects ventral to the posterior bones of the mandible and at most only the posterior part of the dentary, coronoid eminence very low, crown of first dentary tooth recurved with very fine denticles on the anterior edge, crowns of other teeth simple with regular sized marginal denticles and unornamented lateral and medial surfaces.
P. M. Galton 1983Proportionally small teeth extend to anterior end of dentary, short medially projecting process bearing symphysis, Meckelian canal open, dermal plate that is fused to lateral surface projects ventral to the posterior bones of the mandible and at most only the posterior part of the dentary, coronoid process very low, crown of first dentary tooth recurved with very fine denticles on the anterior edge, crowns of other teeth simple with regular sized marginal denticles, plain lateral and medial surfaces, and only a slight swelling between the crown and the root.