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Tropisurcula
Taxonomy
Tropisurcula was named by Casey (1904) [Sepkoski's age data: T Eo-l T Ol-l Sepkoski's reference number: 852,1248].
It was assigned to Turriculinae by MacNeil and Dockery (1984); to Neogastropoda by Sepkoski (2002); and to Cochlespirinae by Garvie (2013).
It was assigned to Turriculinae by MacNeil and Dockery (1984); to Neogastropoda by Sepkoski (2002); and to Cochlespirinae by Garvie (2013).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1904 | Tropisurcula Casey |
| 1984 | Tropiscurcula MacNeil and Dockery p. 192 |
| 2002 | Tropisurcula Sepkoski |
| 2013 | Tropisurcula Garvie p. 65 |
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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
| Reference | Diagnosis | |
|---|---|---|
| C. L. Garvie 2013 | Shell small, fusiform, moderately elongate, with tall, smooth, multispiral protoconch; whorls centrally carinate, with subsutural collar, concave ramp, and axial cos- tae strongest on periphery; spiral lines subequal in strength, low, close-set. |