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Protoryctocephalus

Trilobita - Corynexochida - Oryctocephalidae

Taxonomy
Protoryctocephalus was named by Chow (1974) [Sepkoski's age data: Cm Tojo-l Sepkoski's reference number: 463]. It is not extant.

It was assigned to Oryctocephalidae by Zhang and Zhou (1985); and to Corynexochida by Sepkoski (2002).

Synonymy list
YearName and author
1974Protoryctocephalus Chow
1985Protoryctocephalus Zhang and Zhou
2002Protoryctocephalus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderCorynexochidaKobayashi 1935
familyOryctocephalidaeBeecher 1897
genusProtoryctocephalusChow 1974

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