Lirularia acuticostata

Lirularia acuticostata, common name the sharp-keeled lirularia, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[1][2]

Lirularia acuticostata
Drawing of a shell of Lirularia acuticostata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Lirularia
Species:
L. acuticostata
Binomial name
Lirularia acuticostata
(Carpenter, 1864)
Synonyms

Liotia acuticostata Carpenter, 1864

Description

The height of the shell measures 2.5 mm and its diameter 3 mm. The small, white shell has a subglobose shape. The two nuclear whorls are, smooth. Its apex is elevated. The teleoconch contains 3 whorls, with two raised carinae on the spire and six on the body whorl. The body whorl contains about 6 equal spiral cords. The axial ribs are absent. The sutures are subrectangular. The aperture is circular. The conspicuous outer lip is little contracted. The umbilicus is not large.[3]

Distribution

This marine species occurs off the coast of Sitka, Alaska to the southern Californian coast.

References
  1. Rosenberg, G. (2012). Lirularia acuticostata (Carpenter, 1864). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=528715 on 2012-11-23
  2. Turgeon, D.D., et al. 1998. Common and scientific names of aquatic invertebrates of the United States and Canada. American Fisheries Society Special Publication 26
  3. Carpenter, Suppl. Rept. Brit. Assoc, 1864, pp. 612, 652.
  • A.M. Strong (1934) West American species of the genus Liotia; Transactions of The San Diego Society For Natural History vol. 7 (1934)
  • Turgeon, D.; Quinn, J.F.; Bogan, A.E.; Coan, E.V.; Hochberg, F.G.; Lyons, W.G.; Mikkelsen, P.M.; Neves, R.J.; Roper, C.F.E.; Rosenberg, G.; Roth, B.; Scheltema, A.; Thompson, F.G.; Vecchione, M.; Williams, J.D. (1998). Common and scientific names of aquatic invertebrates from the United States and Canada: mollusks. 2nd ed. American Fisheries Society Special Publication, 26. American Fisheries Society: Bethesda, MD (USA). ISBN 1-888569-01-8. IX, 526 + cd-rom pp. page(s): 60
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