Carinoturris polycaste

Carinoturris polycaste is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.[1]

Carinoturris polycaste
Original image of a shell of Carinoturris polycaste
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Pseudomelatomidae
Genus: Carinoturris
Species:
C. polycaste
Binomial name
Carinoturris polycaste
(Dall, 1919)
Synonyms[1]

Cryptogemma polycaste Dall, 1919 (basionym)

Description

The length of the shell attains 14 mm, its diameter 5.5 mm.

(Original description) The white shell has a pale olivaceous periostracum. It contains five whorls exclusive of the (lost) protoconch. These are rather slender and moderately rounded except for a single strong peripheral keel which marks the deepest part of the anal sulcus. The suture is distinct, not appressed, with a feebly indicated flattish area between it and the posterior edge of the anal fasciole, which between the keel and the flattening is slightly impressed. There is no other spiral sculpture and the axial sculpture consists mostly of moderately prominent incremental lines. The anal sulcus is deep and wide. The outer lip is thin, prominently arcuately produced. The inner lip is smooth. The columella is very short and gyrate. The axis is pervious. The siphonal canal is produced, narrow and slightly recurved.[2]

Distribution

This marine species was found off Tillamook Bay, Oregon, USA.

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References
  1. Carinoturris polycaste (Dall, 1919). Retrieved through: World Register of Marine Species on 31 March 2010.
  2. Dall (1919) Descriptions of new species of Mollusca from the North Pacific Ocean; Proceedings of the U.S. National Museum, vol. 56 (1920) This article incorporates text from this source, which is in the public domain.
  • Tucker, J.K. (2004). "Catalog of recent and fossil turrids (Mollusca: Gastropoda)" (PDF). Zootaxa. 682: 1–1295.
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