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Pachyascus
Taxonomy
Pachyascus was named by Schrammen (1937) [Sepkoski's age data: J u]. It is not extant.
It was assigned to Hexactinosa by Sepkoski (2002); and to Laocoetidinae by Finks et al. (2004).
It was assigned to Hexactinosa by Sepkoski (2002); and to Laocoetidinae by Finks et al. (2004).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Pachyascus Schrammen |
| 2002 | Pachyascus Sepkoski |
| 2004 | Pachyascus Finks et al. |
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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. †Pachyascus Schrammen 1937
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†Pachyascus batalleri Lagneau-Herenger 1962
†Pachyascus formosus Schrammen 1937
†Pachyascus lopatinensis Gerasimov 1960
†Pachyascus punctatus Schrammen 1937
Diagnosis
No diagnoses are available