Mitrella semiconvexa facts for kids

Quick facts for kids Mitrella semiconvexa
Two views of a shell of Mitrella semiconvexa (museum specimens at Naturalis Biodiversity Center)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda clade Hypsogastropoda clade Neogastropoda
Superfamily:	Buccinoidea
Family:	Columbellidae
Genus:	Mitrella
Species:	M. semiconvexa
Binomial name
Mitrella semiconvexa (Lamarck, 1822)
Synonyms
Buccinum semiconvexum Lamarck, 1822 (original combination) Columbella infumata Crosse, 1863 Columbella nux Reeve, 1859 Columbella strigata Reeve, 1859

Mitrella semiconvexa is a species of sea snail in the family Columbellidae, the dove snails.

Description

The shell may reach 20 mm in length.

The ovate, conical shell is very pointed at its summit. It is pale red, often ornamented, with longitudinal waved and distant bands. Sometimes elongated spots appear upon the whorls of the spire, which are eight or nine in number,; the lowest are convex. The base of the shell is marked with very fine, and very approximate striae. The ovate aperture is elongated, of a whitish color. The outer lip is rounded and striated internally. The columella is arched and smooth

Distribution

This marine species is endemic to Australia where it occurs off New South Wales, South Australia, Tasmania, Victoria and West Australia.

• Lamarck, J.B.P.A. de M. 1822. Histoire naturelle des Animaux sans Vertèbres. Paris : J.B. Lamarck Vol. 7 711 pp.
• Reeve, L.A. 1859. Monograph of the genus Columbella. pl. 1, 24–37 in Reeve, L.A. (ed). Conchologia Iconica. London : L. Reeve & Co. Vol. 11.
• Cotton, B.C. 1957. Australian Recent and Tertiary Species of the Molluscan Family Pyrenidae. Adelaide
• Wilson, B. 1994. Australian Marine Shells. Prosobranch Gastropods. Kallaroo, WA : Odyssey Publishing Vol. 2 370 pp.