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Leptosuchus crosbiensis

Reptilia - Parasuchidae

Taxonomy
Leptosuchus crosbiensis was named by Case (1922). Its type specimen is UMMP 7552, a skull, and it is a 3D body fossil. Its type locality is Head of Holmes Creek, which is in a Carnian/Norian channel lag claystone in the Tecovas Formation of Texas. It is the type species of Leptosuchus.

Synonyms
Synonymy list
YearName and author
1920Phytosaurus doughtyi Case p. 533
1922Leptosuchus crosbiensis Case p. 61 figs. 25-26; Pl. 12
1930Phytosaurus doughtyi Hay p. 142
1930Leptosuchus crosbiensis Hay p. 143
1995Leptosuchus crosbiensis Long and Murry
2005Leptosuchus crosbiensis Irmis p. 72
2013Leptosuchus crosbiensis Stocker and Butler

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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
RankNameAuthor
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
—Pseudosuchia(Zittel 1890)
—Phytosauria(Jaeger 1828)
familyParasuchidaeLydekker 1885
subfamilyMystriosuchinaevon Huene 1915
—Leptosuchomorpha
genusLeptosuchus
speciescrosbiensis

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.

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Invalid names: Phytosaurus doughtyi Case 1920 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Diet: carnivoresubo
Created: 2009-01-03 20:38:18
Modified: 2009-01-03 22:38:18
Source: subo = suborder, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Benton 1983, Hendy et al. 2009

Age range: Norian or 227.30000 to 205.70000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Carnian - Norian237.0 - 205.7USA (Texas) Brachysuchus megalodon (105766) Leptosuchus crosbiensis, Phytosaurus doughtyi (type locality: 71976) Phytosauria indet. (98596)
Norian227.3 - 205.7USA (Arizona) Leptosuchus crosbiensis (92922 92931 93232 93360)