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Taxonomy
Psilocephalina was named by Hsu (1948) [Sepkoski's age data: O Trem]. Its type is Psilocephalina lubrica.
It was assigned to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was assigned to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Species
P. lubrica (type species)
Synonymy list
Year | Name and author |
---|---|
1948 | Psilocephalina Hsu |
2002 | Psilocephalina Jell and Adrain p. 435 |
2002 | Psilocephalina 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.
Diagnosis
No diagnoses are available