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Stemmatias cheiriformis

Chondrichthyes - Symmoriiformes

Taxonomy
Stemmatodus cheiriformis was named by St John and Worthen (1875). It is considered to be a form taxon. It is the type species of Stemmatias.

It was recombined as Stemmatias cheiriformis by Hay (1899) and Hay (1902).

Synonymy list
YearName and author
1875Stemmatodus cheiriformis St John and Worthen
1899Stemmatias cheiriformis Hay p. 784
1902Stemmatias cheiriformis Hay p. 298

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
superorderCladodontomorphi
orderSymmoriiformes()
genusStemmatias
speciescheiriformis(St John and Worthen 1875)

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.

Stemmatias cheiriformis St John and Worthen 1875
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Diagnosis
No diagnoses are available