Nepotilla mimica

Nepotilla mimica is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.[1]

Variety
Nepotilla mimica fusca (Sowerby III, 1896) : a dark brown variety.

Nepotilla mimica
Original image of a shell of Nepotilla mimica
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Raphitomidae
Genus: Nepotilla
Species:
N. mimica
Binomial name
Nepotilla mimica
(Sowerby III, 1896)
Synonyms[1]
  • 'Daphnella (Teres) mimica Sowerby III, 1896
  • Zenepos mimica (Sowerby III, 1897)

Description

The length of the shell attains 7 mm, its diameter 2.5 mm.

This little, white, turreted shell bears rather a curious resemblance to the Daphnella (Teres) (synonym of Teretia teres (Reeve, 1844) ). The spire is elongate and very sharp. The shell contains 6 convex, rounded whorls. These are slightly concave at the top. The sculpture consists of conspicuous lirae, alternated with smaller lirae, sculptedc lengthwise by minute, oblique lamellae. The body whorl is rather short, contracted at the base and slightly rostrate. The columella is slightly twisted. The aperture is ovate. The outer lip is sharp and arcuate. The sinus is deep and not very wide.

The author has only seen three specimens, the type here described being the largest. The two smaller ones are shorter in proportion, and not so concave at the top of the whorls. [2]

Distribution

This marine species is endemic to Australia and occurs off Victoria, South Australia and Tasmania

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References
  1. Nepotilla mimica (Sowerby III, 1896). Retrieved through: World Register of Marine Species on 5 April 2010.
  2. Sowerby III, G. B. (1896). List of the Pleurotomidae of South Australia, with descriptions of some new species. Proceedings of the Malacological Society of London. 2(1): 24-32, pl. 3
  • Verco, J.C. 1909. Notes on South Australian marine Mollusca with descriptions of new species. Part XII. Transactions of the Royal Society of South Australia 33: 293–342
  • May, W.L. 1923. An illustrated index of Tasmanian shells: with 47 plates and 1052 species. Hobart : Government Printer 100 pp.
  • Powell, A.W.B. 1966. The molluscan families Speightiidae and Turridae, an evaluation of the valid taxa, both Recent and fossil, with list of characteristic species. Bulletin of the Auckland Institute and Museum. Auckland, New Zealand 5: 1–184, pls 1–23
  • Hedley, C. 1922. A revision of the Australian Turridae. Records of the Australian Museum 13(6): 213-359, pls 42-56 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.
  • Grove, S.J. (2018). A Guide to the Seashells and other Marine Molluscs of Tasmania: Nepotilla mimica
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