Mitromorpha fischeri

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

Mitromorpha fischeri
Shell of Mitromorpha fischeri (syntype in the MNHN, Paris)
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Mitromorphidae
Genus: Mitromorpha
Species:
M. fischeri
Binomial name
Mitromorpha fischeri
(Hervier, 1900)
Synonyms[1]
  • Columbella fischeri Hervier, 1900 (original combination)
  • Columbella (Conidea) perplexa Schepman, M.M., 1911

Description

The length of the shell varies between 4 mm and 10 mm.

The shell has an elongately-oval shape with rather acute spire. Its color is thick, black brown (if dry greyish, perhaps by the action of alcohol) with white upper whorls and base. It shows a few white spots on the whorls about the periphery and a row of white quadrangular blotches at the upper margin of white base. It contains about 8 whorls, of which nearly 2 smooth ones form the protoconch, . The subsequent whorls are only very slightly convex, separated by a rather conspicuous suture, which is however not very distinct by the spiral grooves, with which the whole shell is encircled. These grooves are rather deep, the subsutural and median one of body whorl however less so. The lirae are granose on 2 or 3 postnuclear whorls, lower on they are only closely punctured, the lirae remaining smooth, but for fine growth striae. The aperture is oblong and narrow. The peristome is thin, with only traces of a varix, internally with very faint, irregular wrinkles. The columellar margin is straight, smooth above, slightly plicate below by the basal grooves.[2]

Distribution

This marine species occurs off the Philippines, Indonesia, New Caledonia, Papua New Guinea, Japan and Réunion.

References
  1. Mitromorpha fischeri (Hervier, 1900). Retrieved through: World Register of Marine Species on 29 March 2010.
  2. Schepman, 1913. The prosobranchia of the Siboga expedition. Part IV -V - VI: Toxoglossa 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.
  • "Mitromorpha (Mitromorpha) alphonsiana". Gastropods.com. Retrieved 16 January 2019.
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