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Steneosaurus heberti

Reptilia - Teleosauridae

Taxonomy
Steneosaurus heberti was named by Morel de Glasville (1876).

Synonyms
Synonymy list
YearName and author
1876Steneosaurus heberti Morel de Glasville figs. fig. 4, pl. 6; fig. 2, pl. 9; fig. 1a, b
1951Steneosaurus depressus Phizackerley
1951Steneosaurus meretrix Phizackerley
1951Steneosaurus depressus Phizackerley p. 1190 figs. Fig. 10a-b
2009Steneosaurus heberti Pierce et al. p. 1086
2012Steneosaurus heberti Bronzati et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
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()
Pseudosuchia(Zittel 1890)
SuchiaKrebs 1974
Paracrocodylomorpha
Loricata(Merrem 1820)
Crocodylomorpha()
suborderCrocodyliformes
MesoeucrocodyliaWhetstone and Whybrow 1983
NeosuchiaClark 1988
suborderThalattosuchia
familyTeleosauridaeGeoffroy 1831
genusSteneosaurusSaint-Hilaire 1825
specieshebertiMorel de Glasville 1876

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
S. E. Pierce et al. 2009Steneosaurus heberti is a short-snouted teleosaurid that differs from S. bollensis in having relatively short, narrow rostrum; dorsoventrally flattened skull; larger, more longitudinally expanded supratemporal fenestra; large, dorsolaterally oriented orbits; unexpanded premaxilla; preorbital region only slightly wider than rostrum; mandibular symphysis extending almost half the length of mandible; 32–40 teeth on maxilla; 31–36 teeth on mandible and tooth crown slender, conical, striated and generally vertical.