Descrição original: Clench, W. J. & Aguayo, C. G. (1941). Notes and descriptions of new deep-water Mollusca obtained by the Harvard-Havana expedition off the coast of Cuba, IV. Memorias de la Sociedad Cubana de Historia Natural ”Felipe Poey”. 15: 177-180, pl. 14. page(s): 179, pl. 14 fig. 4