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Cruxicheiros newmanorum

Reptilia

Taxonomy
Cruxicheiros newmanorum was named by Benson and Radley (2010). Its type specimen is WARMS G15770,, a limb element (partial right femur), and it is a 3D body fossil. Its type locality is Cross Hands Quarry, Little Compton (upper), which is in a Bathonian peritidal limestone in the Chipping Norton Limestone Formation of the United Kingdom. It is the type species of Cruxicheiros.

Synonymy list
YearName and author
2010Cruxicheiros newmanorum Benson and Radley figs. 1-3
2012Cruxicheiros newmanorum Carrano et al. p. 253
2016Cruxicheiros newmanorum Rauhut et al. p. 2
2016Cruxicheiros newmanorum Razzolini et al. p. 11

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
RankNameAuthor
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Theropoda()
Neotheropoda
AverostraPaul 2002
Tetanurae
genusCruxicheiros
speciesnewmanorum

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.

Cruxicheiros newmanorum Benson and Radley 2010
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Diagnosis
ReferenceDiagnosis
R. B. J. Benson and J. D. Radley 2010Tetanuran theropod with autapomorphic proximomedially inclined ridge
within the trochanteric fossa of the femur. Differs from the contemporaneous
Megalosaurus bucklandii in posessing low proportions of the dorsal neural spines,
transversely broader dorsal neural spines, a prominent posterior flange of the femoral
caput and a lower ratio of anteroposterior length to mediolateral width of the pubic
peduncle (1.60 in Megalosaurus and estimated between 1.00 and 1.10 in C.
newmanorum).