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Pernotrochus
Taxonomy
Pernotrochus was named by Chronic (1952). Its type is Pernotrochus arizonensis.
It was assigned to Ptychomphalides by Knight et al. (1960) and Wagner (2023).
It was assigned to Ptychomphalides by Knight et al. (1960) and Wagner (2023).
Species
P. arizonensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Pernotrochus Chronic |
| 1960 | Pernotrochus Knight et al. p. 204 |
| 2023 | Pernotrochus Wagner p. G1093 |
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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.
Diagnosis
No diagnoses are available