Rissoina dyscrita is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoinidae.
Description The maximum recorded shell length is 6 mm.Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. .
Distribution and habitat This species can be found in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles. They can also be found in Eastern Florida to Lesser Antilles, and Bermuda.Harte Research Institute for Gulf of Mexico Studies. 2016. GulfBase: Resource Database for Gulf of Mexico Research, Education, and Management. Texas A&M University-Corpus Christi. World Wide Web electronic publication. http://www.gulfbase.org.
It is typically found in benthic, grazer, hard substrate, or soft substrate (muds, sands, clays) habitats. Minimum recorded depth is 0 m. Maximum recorded depth is 4.5 m.
References
Rosenberg, G., F. Moretzsohn, and E. F. García. 2009. Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
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