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Ptychatractinae
Taxonomy
Ptychatractinae was named by Stimpson (1865). It is extant.
It was assigned to Turbinellidae by Beu et al. (1990).
It was assigned to Turbinellidae by Beu et al. (1990).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Ptychatractinae Stimpson |
| 1990 | Ptychatractinae Beu et al. p. 414 |
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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.
Subfm. Ptychatractinae Stimpson 1865
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G. Egestas Finlay 1926
G. Latiromitra Locard 1897
G. †Paleopsephea Wade 1926
Diagnosis
No diagnoses are available