Rissoa gradatulaMörch, 1876a, p. 53-54, [Faber 2005b, figs. 3-8] [Basis of the current name] Type Locality: St. Thomas Range: 26°N to 20.8°S; 87°W to 32.4°W Maximum Reported Size: 2.4 mm Distribution: Honduras, Bahamas: Abaco (Great or Little); Turks and Caicos, Jamaica, Dominican Republic; Virgin Islands: St. Thomas, Tortola; Brazil: Fernando de Noronha, Pernambuco, Abrolhos Islands, Espirito Santo References: Faber (2005b) cNWM; Pimenta, Absalao & Miyaji (2009) SE Combining Genera: Alvania
Rissoa toroensisOlsson & McGinty, 1958, p. 26, pl. 4, fig. 5 [Synonym] Type Locality: Bocas Island, Panama Range: 28°N to 4°S; 83.07°W to 33.8°W Depth: 0 to 238 m Maximum Reported Size: 2.8 mm Distribution: USA: Florida: West Florida; Costa Rica, Panama; ABC Islands: unlocalized; Brazil: Atol das Rocas References: Houbrick (1968) dW; Jong & Coomans (1988); Faber & Moolenbeek (1999); Faber (2005b) s Combining Genera: Chrysallida Odostomia Rissoina
Partial List of References
Mörch, O. A. L. 1876. Synopsis molluscorum marinorum Indiarum occidentalium imprimis insularum danicarum Malakozoologische Blätter 23 45-58, 87-143. Olsson, A. A. and T. L. McGinty. 1958. Recent marine mollusks from the Caribbean coast of Panama with the description of some new genera and species Bulletins of American Paleontology 39 1-58, pls. 1-5. [Stated date: 10 Dec 1958.]
