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Charitomenosuchus leedsi

Reptilia

Taxonomy
Steneosaurus leedsi was named by Andrews (1909). Its type specimen is BMNH R3320, a skull, and it is a 3D body fossil. Its type locality is Peterborough area, Leeds Collection, which is in a Callovian offshore mudstone in the Oxford Clay Formation of the United Kingdom.

It was recombined as Charitomenosuchus leedsi by Johnson et al. (2020).

Synonyms
Synonymy list
YearName and author
1909Steneosaurus leedsi Andrews p. 300 figs. Pl. viii, fig. 1
1909Stenosaurus teleosauroides Auer p. 266
1913Steneosaurus leedsi Andrews p. 118 figs. Text-figs 34a-b, 35a-b, 36, 38d-f, 40, 41b, 43-49Plate 5
1987Steneosaurus leedsi Adams-Tresman p. 205
2009Steneosaurus leedsi Pierce et al. pp. 1086-1087
2010Stenosaurus teleosauroides Maisch and Kapitzke p. 377
2012Steneosaurus leedsi Bronzati et al.
2020Charitomenosuchus leedsi Johnson et al.

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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
RankNameAuthor
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
—Pseudosuchia(Zittel 1890)
—SuchiaKrebs 1974
—Paracrocodylomorpha
—Loricata(Merrem 1820)
—Crocodylomorpha()
—Thalattosuchia()
superfamilyTeleosauroideaSaint-Hilaire 1831
genusCharitomenosuchus
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.

†Charitomenosuchus leedsi Andrews 1909
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Invalid names: Stenosaurus teleosauroides Auer 1909 [synonym]
Diagnosis
ReferenceDiagnosis
S. E. Pierce et al. 2009Steneosaurus leedsi is a long-snouted teleosaurid that differs from S. bollensis in having greatly elongated, narrow rostrum that is sharply marked off from the cranial region of the skull; rectangular supratemporal fenestra; broad, downwardly deflected premaxilla; long distance between nasal and premaxilla; dorsally and slightly laterally directed orbits; long, posteriorly extended mandibular symphysis; mandible mediolaterally compressed; 28–46 teeth on maxilla; 42–44 teeth on mandible; and teeth slender with sharply pointed crowns and enamel that is sculptured into a series of very fine longitudinal ridges.