Alaginella carinata explained

Alaginella carinata is a species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.

Description

The length of the shell attains 5½ mm, its diameter 3⅔ mm.

(Original description in Latin) The short shell is ovate-fusiform. it is polished white and smooth. It contains 5 whorls: the uppermost is convex, the following whorls are strongly excavated above, sharply angled, and slightly convex below the angle, tapering towards the base. The aperture is elongate and narrow, comprising about 7/11 of the shell's total length. The outer lip is very thickened and smooth inside. The columella features three thin but prominent folds that are obliquely curved anteriorly, covered along their length with a thin callus. ^{[1] [2]}

Distribution

This marine species is endemic to Australia and occurs off New South Wales and Queensland ^[3]

References

• Book: Cossignani . T. . Marginellidae & Cystiscidae of the World. . 2006 . L'Informatore Piceno . 1–408.
• Book: Wilson . B. . Australian marine shells, Prosobranch, Gastropods . 1994 . Odyssey Publishing . Kallaroo, Western Australia . 1–370 . 2.
• Laseron . C. . New South Wales Marginellidae . Records of the Australian Museum . 1948 . 22 . 1 . 35–48. 10.3853/j.0067-1975.22.1948.588 .

Notes and References

1. Smith . E.A. . Descriptions of new species of shells from the "Challenger" expedition. . Proceedings of the Zoological Society of London. (1891) . 1891 . 436–444 . 16 July 2024.
2. Web site: Alaginella carinata. description . Seashells of New South Wales . Des Beechey . 16 July 2024.
3. Web site: Alaginella carinata. Australian Faunal Directory . Australian Government . 16 July 2024.