Turris


Turris is a genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids.

Description

The generally large shells are variegated with spots. The fusiform shell is turriculated with a long, sharp spire. The aperture is ovate. The columellar lip is smooth. The outer lip is separated with a narrow profound sinus from the suture rather than distantly. The siphonal canal is long and narrow, straight and open.
The shell is large, with a tall slender spire. The outer lip is sharp, without fold or thickening. The siphonal notch is a deep slit with parallel sides following a walled-in fasciole. Within the body whorl are sharp raised revolving threads, a feature shared by related genera. The protoconch consists of two smooth rounded whorls. The operculum is unguiculate, with an apical nucleus.
The foot of the animal is anteriorly truncated but obtuse posteriorly. The tentacles are cylindrical, with the eyes externally near their base The teeth of the toxoglossan radula are falciform and angulated.

Distribution

This genus inhabits warm seas.

Species

The extinct species are only tentatively placed in the genus Turris.

Fossil ''Turris''-species


Synonyms

Turris abbreviata : synonym of Lophiotoma abbreviata Turris abyssorum : synonym of Gymnobela abyssorum Turris acuta : synonym of Lophiotoma acuta Turris aelomitra Tinker, 1952: synonym of Gemmula monilifera Turris ankaramanyensis Bozzetti, 2006: synonym of Turris tanyspira Kilburn, 1975Turris annae : synonym of Unedogemmula annae Turris antiope : synonym of Mangelia recta E.A. Smith, 1888; synonym of Pleurotoma antiope W.H. Dall, 1918Turris armilda Dall, 1908: synonym of Fusiturricula armilda Turris assyria Olivera, Seronay & Fedosov, 2010: synonym of Turris babylonia Turris bairdii W.H. Dall, 1889: synonym of Volutomitra bairdii