Carinodrillia braziliensis

Carinodrillia braziliensis is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids.[1]

Carinodrillia braziliensis
Apertural view of a shell of Carinodrillia braziliensis
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Pseudomelatomidae
Genus: Carinodrillia
Species:
C. braziliensis
Binomial name
Carinodrillia braziliensis
(Smith E. A., 1915)
Synonyms[1]

Drillia braziliensis Smith E. A., 1915

Description

The length of the shell varies between 13 mm and 30 mm.

(Original description) The slender, fusiform shell is light brown, with whitish nodules. it contains 11 whorls, slowly increasing. The two apical whorls are smooth, forming a large rounded protoconch. The following whorls are longitudinally obliquely costate. The ribs are most prominent at the middle of the whorls, where they are crossed by two spiral lines, which form transversely elongate nodules upon them. A wavy carina passes along the upper margin of the whorls, and a finer thread borders the lower suture. On the body whorl the ribs are produced downwards below the middle, but do not extend quite to the end of the rostrum. The spirals are about eighteen, and about seven of the upper ones are more or less nodulous on crossing the ribs, the rest below are finer and smooth. Between the nodulous lirae, both on the spire and on the body whorl, there are fine threadlike lines, and the whole surface exhibits delicate wavy growth-striae. The aperture is brown within, not quite one-third the length of the shell. The outer lip is thin at the edge, distinctly sinuate below the sutural keel, and having a rib or varix, larger than the other ribs on the outside. The columella is straightish, covered with a pale callus, formed into a tubercle at the sinus.[2]

Distribution

This species occurs in the Atlantic Ocean off Eastern Brazil to Uruguay.

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References
  1. Carinodrillia braziliensis (Smith E. A., 1915). Retrieved through: World Register of Marine Species.
  2. Smith, E. A. 1915. Mollusca. Part I.--Gastropoda Prosobranchia, Scaphopoda, and Pelecypoda. British Antarctic ("Terra Nova") Expedition, 1910. Natural History Report. Zoology 2 61–112, pls. 1–2. British Museum (Natural History): London 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.
  • "Carinodrillia braziliensis". Gastropods.com. Retrieved 15 January 2019.
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