Anarithma stepheni explained

Anarithma stepheni is a species of sea snail, a marine gastropod mollusk in the family Mitromorphidae.

Description

The length of the shell attains 4 mm, its diameter 1.75 mm.

(Original description) The minute, white shell is particularly beautiful. It contains six whorls, compact, clathrate, with close longitudinal riblets and revolving lirae. Just underneath the sutures the ante-penultimate and penultimate whorls are sparsely spotted with fulvous. In the body whorl the spots again occur towards the middle, but are contiguous to, and below joined with, one large dorsal effusion of the samecolour. The aperture is narrow. The simple outer lip is thickened..The columella is upright.^[1]

Distribution

This marine species occurs off the Philippines; French Polynesia, Vanuatu and Papua New Guinea.

References

• Kilburn, R.N. (1977) "Taxonomic studies on the marine Mollusca of southern Africa and Mozambique. Part 1." Annals of the Natal Museum, 23, 173–214
• Severns, M. (2011) Shells of the Hawaiian Islands - The Sea Shells. Conchbooks, Hackenheim. 564 pp.

External links

• MNHN: Anarithma stepheni
  • Tucker . J.K. . 2004 . Catalog of recent and fossil turrids (Mollusca: Gastropoda) . Zootaxa . 682 . 1–1295 .

Notes and References

1. https://www.biodiversitylibrary.org/item/99811#page/295/mode/1up Melvill J.C. & Standen R. (1896) Notes on a collection of shells from Lifu and Uvea, Loyalty Islands, formed by the Rev. James and Mrs. Hadfield, with list of species. Part II. Journal of Conchology 8: 273–315