Fossarina legrandi

Fossarina legrandi, common name Legrand's top shell, is a species of very small sea snail, a marine gastropod mollusc or micromollusk in the family Trochidae, the top snails.[1]

Fossarina legrandi
Drawing with two views of a shell of Fossarina legrandi
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Fossarina
Species:
F. legrandi
Binomial name
Fossarina legrandi
(Petterd, 1879)
Synonyms
  • Fossarina (Minopa) legrandi Petterd, 1879
  • Gibbula legrandi Tate, R. & May, W.L. 1901
  • Minopa legrandi (Petterd, 1879)
  • Calliotrochus legrandi May, W.L. 1921

Description

The shell grows to a length of 5 mm. The small, thin shell has a depressed globose shape. It is highly polished, translucent and rich brown. The minute spire contains 2½ whorls and is very little elevated. The suture is much impressed. The aperture is inflately lunate. It is tinged white and faintly dilate at the inner portion.[2]

Distribution

This marine species is endemic to Australia and occurs off New South Wales, South Australia, Tasmania, Victoria and Western Australia.

References
  1. MolluscaBase eds. (2020). MolluscaBase. Fossarina legrandi Petterd, 1879. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=719229 on 2020-11-25
  2. Petterd, W. 1879. New species of Tasmanian marine shells. Journal of Conchology 2: 102-105
  • Tate, R. & May, W.L. 1901. A revised census of the marine Mollusca of Tasmania. Proceedings of the Linnean Society of New South Wales 26(3): 344-471
  • Pritchard, G.B. & Gatliff, J.H. 1902. Catalogue of the marine shells of Victoria. Part V. Proceedings of the Royal Society of Victoria 14(2): 85-138
  • Verco, J.C. 1908. Notes on South Australian marine Mollusca with descriptions of new species. Part IX. Transactions of the Royal Society of South Australia 32: 338-361
  • May, W.L. 1921. A Checklist of the Mollusca of Tasmania. Hobart, Tasmania : Government Printer 114 pp
  • May, W.L. 1923. An Illustrated Index of Tasmanian Shells. Hobart : Government Printer 100 pp
  • Iredale, T. 1924. Results from Roy Bell's molluscan collections. Proceedings of the Linnean Society of New South Wales 49(3): 179-279, pl. 33-36
  • Cotton, B.C. 1959. South Australian Mollusca. Archaeogastropoda. Handbook of the Flora and Fauna of South Australia. Adelaide : South Australian Government Printer 449 pp.
  • Iredale, T. & McMichael, D.F. 1962. A reference list of the marine Mollusca of New South Wales. Memoirs of the Australian Museum 11: 1-109
  • Macpherson, J.H. & Gabriel, C.J. 1962. Marine Molluscs of Victoria. Melbourne : Melbourne University Press & National Museum of Victoria 475 pp
  • Wilson, B. 1993. Australian Marine Shells. Prosobranch Gastropods. Kallaroo, Western Australia : Odyssey Publishing Vol. 1 408 pp.
  • Grove, S. 2011. The Seashells of Tasmania: A Comprehensive Guide. Taroona, Australia: Taroona Publications. [vi], 81
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