Comitas obtusigemmata

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Comitas obtusigemmata
Comitas obtusigemmata 001.jpg
Original image of a shell of Comitas obtusigemmata
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Pseudomelatomidae
Genus: Comitas
Species:
C. obtusigemmata
Binomial name
Comitas obtusigemmata
( Schepman, 1913)
Synonyms [1]

Surcula obtusigemmataSchepman, 1913

Comitas obtusigemmata is a species of sea snail, a marine gastropod mollusc in the family Pseudomelatomidae, the turrids and allies. [1]

Contents

Description

The length of the shell attains 22.5 mm, its diameter 9.5 mm.

(Original description) The thin shell is broadly fusiform, with a pyramidal spire and a rather long, slender siphonal canal. Its color is yellowish grey. The protoconch of the largest specimen is wanting,. The 6 remaining whorls are not very convex, but apparently so by a row of coarse, obtuse, rounded beads, near the base of upper whorls and the periphery of the body whorl, where they are 14 in number; a second row of small tubercles, rounded in upper whorls, having the character of oblique folds on lower ones, runs just below the deep suture, on a subsutural rib. The lower on the shell is lirate, 2 faint lirae in the interstices of the peripheral beads, 2 strong ones below the beads of the body whorl and numerous fainter ones on the base and the siphonal canal. The shell is covered with very fine growth lines. The body whorl is strongly attenuated below. The aperture is oval, angular above, ending in a rather long, narrow siphonal canal below. The peristome is thin, with a wide, rather shallow sinus above, then strongly protracted. The columellar margin is rather straight, directed to the left near and along the siphonal canal, with a thin layer of white enamel. [2]

Distribution

This marine species occurs in the Arafura Sea and in the South China Sea.

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References

  1. 1 2 MolluscaBase (2018). Comitas obtusigemmata (Schepman, 1913). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=433357 on 2018-06-14
  2. ↑ Schepman, 1913. The prosobranchia of the Siboga expedition. Part IV -V - VI: Toxoglossa PD-icon.svgThis article incorporates text from this source, which is in the public domain.
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