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Streptosauria

Reptilia

Taxonomy
Streptosauria was named by Cope (1869).

It was assigned to Reptilia by Cope (1869).

Subtaxa
Crymocetus

Synonymy list
YearName and author
1869Streptosauria Cope p. 265

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
RankNameAuthor
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Streptosauria
—Streptosauria

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.

Unr. †Streptosauria Cope 1869
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G. †Crymocetus Romer 1966
Diagnosis
ReferenceDiagnosis
E. D. Cope 1869"The articular processes of the vertebra, reversed in their directions; viz., the anterior looking downwards, the posterior upwards; the procoracoids distinct from the scapulae, but confluent with each other and the mesosternum into a simple breast plate. Mandible with symphysis. Pelvic arch present; limbs present. Neural arches of vertebrae coossified with centra."