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Caipirasuchus paulistanus

Reptilia

Taxonomy
Caipirasuchus paulistanus was named by Iori and Carvalho (2011). Its type specimen is MPMA 67-0001/00, a partial skeleton (Skull, mandible and part of the postcranial skeleton), and it is a 3D body fossil. Its type locality is São Francisco Farm, which is in a Campanian/Maastrichtian terrestrial sandstone in the Adamantina Formation of Brazil. It is the type species of Caipirasuchus.

Synonymy list
YearName and author
2011Caipirasuchus paulistanus Iori and Carvalho p. 1255
2013Caipirasuchus paulistanus Iori et al.
2014Caipirasuchus paulistanus Pol et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
RankNameAuthor
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
Pseudosuchia(Zittel 1890)
SuchiaKrebs 1974
Paracrocodylomorpha
Loricata(Merrem 1820)
Crocodylomorpha()
Solidocrania
suborderCrocodyliformes
MesoeucrocodyliaWhetstone and Whybrow 1983
infraorderNotosuchiaGasparini 1971
Eunotosuchia
Xenodontosuchia
Sphagesauria
Sphagesauridae(Kuhn 1968)
Caipirasuchinae()
genusCaipirasuchus
speciespaulistanus

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.

Caipirasuchus paulistanus Iori and Carvalho 2011
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Diagnosis
ReferenceDiagnosis
F. V. Iori and I. S. Carvalho 2011External naris bordered only by the premaxillae; very high pterygoids and ectopterygoids; palatines contacting the maxillae by a cuneiform projection; well-developed and oval antorbital fenestra; premaxilla with four teeth; a small projection of the maxilla visible dorsally; dentary with two diastemata—with corresponding diastemata in the upper jaw, one in the premaxilla and another between the fourth premaxillary and first maxillary alveoli; supraorbital fenestra lance-shaped; long nasals with acute anterior edge anterolaterally touching the projection from the premaxilla; jugal is a straight bar in lateral view; quadrate is dorsoventrally expanded and oriented, quadrate condyle for the articular faces ventrally rather than posteroventrally; frontal is longer than wide and has a slight crest on the midline; dentary with ten teeth each with dorsally directed apex, the first two conical and the smallest in the series, with progressive lateral flattening from the third to the fourth tooth; the fifth through tenth dentary teeth each have a triangular crown, an transversely elliptical cross-section, and a carina on the anterolabial surface.