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Operchallosteus

Arthrodira

Taxonomy
Operchallosteus was named by Kulczycki (1957) [Sepkoski's age data: D Fras-m]. It is not extant.

It was assigned to Arthrodira by Sepkoski (2002).

Synonymy list
YearName and author
1957Operchallosteus Kulczycki
2002Operchallosteus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
RankNameAuthor
subphylumVertebrata
Gnathostomata()
Osteichthyes()
subclassPlacodermi(M'Coy 1848)
orderArthrodiraWoodward 1891
genusOperchallosteusKulczycki 1957

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
No diagnoses are available