Mitromorpha angusta

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Mitromorpha angusta
Mitromorpha angusta 001.jpg
Shell and protoconch of Mitromorpha angusta
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Mitromorphidae
Genus: Mitromorpha
Species:
M. angusta
Binomial name
Mitromorpha angusta
Verco, 1909
Synonyms [1]

Mitromorpha (Mitrolumna) angustaVerco, 1909

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

Contents

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