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Polycyrtaspis
Taxonomy
Polycyrtaspis was named by Opik (1967) [Sepkoski's age data: Cm Dres-l Sepkoski's reference number: 482]. It is the type genus of Polycyrtaspididae.
It was misspelled as Polycertaspis by Sepkoski (2002); it was corrected as Polycertaspis by Jell and Adrain (2002).
It was assigned to Polycyrtaspididae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was misspelled as Polycertaspis by Sepkoski (2002); it was corrected as Polycertaspis by Jell and Adrain (2002).
It was assigned to Polycyrtaspididae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Polycertaspis Jell and Adrain p. 428 |
| 2002 | Polycertaspis 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. †Polycyrtaspis Opik 1967
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Diagnosis
No diagnoses are available