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Polydilasma
Taxonomy
Polydilasma was named by Hall (1851) [Sepkoski's age data: S Wenl]. It is not extant.
It was assigned to Rugosa by Sepkoski (2002).
It was assigned to Rugosa by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1851 | Polydilasma Hall |
| 2002 | Polydilasma 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. †Polydilasma Hall 1851
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Diagnosis
No diagnoses are available