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Peracheilus
Taxonomy
Peracheilus was named by Ludvigsen (1986) [Sepkoski's age data: Cm Trep].
It was assigned to Ptychopariida by Sepkoski (2002); and to Catillicephalidae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Catillicephalidae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Acheilus Clark |
| 1986 | Peracheilus Ludvigsen pp. 65 - 66 |
| 2002 | Peracheilus Jell and Adrain p. 423 |
| 2002 | Acheilus Sepkoski |
| 2002 | Peracheilus 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. †Peracheilus Ludvigsen 1986
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†Peracheilus marcoui Raymond 1924
†Peracheilus spinosus Rasetti 1945
Invalid names: Acheilus Clark 1924 [replaced]
Diagnosis
No diagnoses are available