Biology:Melanella gratiosa

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Short description: Species of gastropod

Melanella gratiosa
Shell of Melanella gratiosa (original image)
Scientific classification edit
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Eulimidae
Genus: Melanella
Species:
M. gratiosa
Binomial name
Melanella gratiosa
(Thiele, 1925)
Synonyms

Eulima gratiosa Thiele, 1925

Melanella gratiosa is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. [1]

Description

The shell measures 4.75 mm in height and 1.25 mm in diameter, while the height of the aperture is 1.5 mm.

(Original description in German) This species differs from Curveulima capensis (Thiele, 1915) in having a much blunter apex and is therefore less conical in outline.

The shell is moderately curved, slenderly conical, and rather thick, with a very glossy surface. Of the seven whorls, the first is fairly large, rounded, and pointed, while the succeeding whorls are scarcely convex and bear an oblique series of growth increments. The body whorl is convex below. The aperture is fairly long and narrow and is somewhat produced below the middle. The apertural margin is slightly thickened at the columella and is connected by a distinct callus. [2]

Distribution

This marine species occurs off the Agulhas Bank, South Africa.

References

Wikidata ☰ Q5409154 entry