Sphenia hatcheriPilsbry, 1899, p. 128, pl. 1, figs. 5-6 [Basis of the current name] Type Locality: Cape Fairweather, Patagonia Range: 34.7°S to 52.6°S; 74°W to 54°W Depth: 37 m Maximum Reported Size: 17.2 mm Distribution: Uruguay, Argentina: Buenos Aires, Chubut, Santa Cruz; Tierra del Fuego, Straits of Magellan, Chile References: Coan (1999) DdNSEWMT
Sphenia subequalis Dall, 1908, [Synonym] Range: 52.6°S to 52.6°S; 70.2°W Depth: 37 m Maximum Reported Size: 6.9 mm Distribution: Straits of Magellan References: Coan (1999) sMT
Partial List of References
Pilsbry, H. A. 1899. Littoral mollusks from Cape Fairweather, Patagonia American Journal of Science (4)7 126-128, pl. 1. [True date: pre 18 Feb.]
