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Ptychosyrinx
Taxonomy
Ptychosyrinx was named by Thiele (1925) [Sepkoski's age data: T Eo R Sepkoski's reference number: 614]. It is extant.
It was reranked as Gemmula (Ptychosyrinx) by Hendy (2007).
It was assigned to Turrinae by Hickman (1976); to Neogastropoda by Sepkoski (2002); to Gemmula by Hendy (2007); and to Turridae by Ladd (1982) and Bouchet et al. (2011).
It was reranked as Gemmula (Ptychosyrinx) by Hendy (2007).
It was assigned to Turrinae by Hickman (1976); to Neogastropoda by Sepkoski (2002); to Gemmula by Hendy (2007); and to Turridae by Ladd (1982) and Bouchet et al. (2011).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Ptychosyrinx Thiele |
| 1976 | Ptychosyrinx Hickman p. 88 |
| 1982 | Ptychosyrinx Ladd p. 61 |
| 2002 | Ptychosyrinx Sepkoski |
| 2007 | Gemmula (Ptychosyrinx) Hendy p. 22 |
| 2011 | Ptychosyrinx Bouchet et al. p. 297 |
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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. Ptychosyrinx Thiele 1925
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Gemmula (Ptychosyrinx) lobatopsis Barnard 1963
†Ptychosyrinx columbiana Anderson and Martin 1914
†Ptychosyrinx facula Hickman 1976
†Ptychosyrinx hertleini Durham 1944
Diagnosis
No diagnoses are available