Charisma simplex is a species of extremely small sea snail, a marine gastropod mollusk belonging to the family Trochidae, commonly known as top snails.Marshall, B. (2013). Charisma simplex (Laseron, 1954). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=718887 on 2014-03-12
Description The height of the shell is 1 mm. The shell is a "depressed turbinate" and has a complete peristome.
Distribution This marine species is endemic to Australia, specifically found in the coastal waters off New South Wales.
References
Laseron, C. 1954. Revision of the Liotiidae of New South Wales. The Australian Zoologist 12(1): 1-25, figs 1-49a 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 Wilson, B. 1993. Australian Marine Shells. Prosobranch Gastropods. Kallaroo, Western Australia : Odyssey Publishing Vol. 1 408 pp.
External links To World Register of Marine Species