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Ptychospirina
Taxonomy
Ptychospirina was named by Perner (1907) [Sepkoski's age data: S Ludl-u D Give Sepkoski's reference number: 362,1197]. It is not extant. Its type is Ptychospira senaria.
It was assigned to Platyceratidae by Knight et al. (1960); and to Archaeogastropoda by Sepkoski (2002).
It was assigned to Platyceratidae by Knight et al. (1960); and to Archaeogastropoda by Sepkoski (2002).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1903 | Ptychospira Perner |
| 1907 | Ptychospirina Perner |
| 1960 | Ptychospirina Knight et al. pp. 242-243 |
| 2002 | Ptychospirina 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. †Ptychospirina Perner 1907
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†Ptychospirina mima Perner 1903
†Ptychospirina senaria Perner 1907
†Ptychospirina varians Hall 1876
Invalid names: Ptychospira Perner 1903 [replaced]
Diagnosis
No diagnoses are available