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Nahannicephalus
Taxonomy
Nahannicephalus was named by Pratt (1992) [Sepkoski's age data: Cm uMid-u Cm Dres-l Sepkoski's reference number: 1017]. It is not extant.
It was assigned to Llanoaspididae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Llanoaspididae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Synonymy list
Year | Name and author |
---|---|
1992 | Nahannicephalus Pratt |
2002 | Nahannicephalus Jell and Adrain p. 409 |
2002 | Nahannicephalus Sepkoski |
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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.
G. †Nahannicephalus Pratt 1992
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Diagnosis
No diagnoses are available