Mitromorpha angusta

Mitromorpha angusta is a species of sea snail, a marine gastropod mollusk in the family Mitromorphidae.[1]

Mitromorpha angusta
Shell and protoconch of Mitromorpha angusta
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Mitromorphidae
Genus: Mitromorpha
Species:
M. angusta
Binomial name
Mitromorpha angusta
Verco, 1909
Synonyms[1]

Mitromorpha (Mitrolumna) angusta Verco, 1909

Description

The length of the shell attains 5.7 mm, its diameter 2.1 mm.

(Original description) The narrow shell has a fusiform shape. It contains 6 whorls, including the protoconch of 2 smooth convex whorls, with simple suture. The whorls of the spire are convex, with simple suture. The body whorl is tapering anteriorly. The aperture is narrowly oval, scarcely contracted behind, widely open in front, no siphonal canal, only channelled. The outer lip is thin, simple, uniformly convex in profile. There is no distinct sinus posteriorly. The inner lip is slightly thickened on the straight columella, with two faint plaits or nodules. The colour of the shell is white, with a spiral row of some seven brown spots, showing just above the suture, and winding to the middle of the outer lip.[2]

Distribution

This marine species is endemic to Australia and occurs off South Australia.

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References
  1. Mitromorpha angusta Verco, 1909. Retrieved through: World Register of Marine Species on 29 March 2010.
  2. Verco, J.C. 1909. Notes on South Australian marine Mollusca with descriptions of new species. Part XII. Transactions of the Royal Society of South Australia 33: 293–342 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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