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Tropisurcula

Gastropoda - Neogastropoda - Cochlespiridae

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).

Synonymy list
YearName and author
1904Tropisurcula Casey
1984Tropiscurcula MacNeil and Dockery p. 192
2002Tropisurcula Sepkoski, Jr.
2013Tropisurcula Garvie p. 65

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassProsobranchiaMilne-Edwards 1848
superorderCaenogastropodaCox 1959
orderNeogastropodaThiele 1929
superfamilyConoidea(Rafinesque 1815)
familyCochlespiridae(Powell 1942)
genusTropisurculaCasey 1904

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
ReferenceDiagnosis
C. L. Garvie 2013Shell 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.