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Pirsila
Taxonomy
Pirsila was named by Stephenson (1953) [Sepkoski's age data: K Ceno]. It is not extant.
It was assigned to Acteonidae by Kosnik (2002); and to Cephalaspida by Sepkoski (2002).
It was assigned to Acteonidae by Kosnik (2002); and to Cephalaspida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Pirsila Stephenson |
| 2002 | Pirsila 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. †Pirsila Stephenson 1953
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†Pirsila decora Stephenson 1953
†Pirsila obtusa Stephenson 1953
†Pirsila simpla Stephenson 1953
Diagnosis
No diagnoses are available