Thaleia nisonis is a species of small, ectoparasitic sea snail, a marine gastropod mollusk or micromollusk in the family Eulimidae.
Distribution T. nisonis can be found in Atlantic waters, ranging from South Carolina to Brazil.Felder, Darryl L., & Earle, Sylvia, A. Gulf of Mexico Origin, Waters, and Biota: Biodiversity. Corpus Christi, TX: University of Texas A&M-Corpus Christi Press, 2009. 632.
Description The maximum recorded shell length is 9 mm.Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. .
Habitat Minimum recorded depth is 50 m. Maximum recorded depth is 1930 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.