Onoba crassicordataWorsfold, Avern & Ponder, 1993, p. 158, figs. a-h [Basis of the current name] Type Locality: East of North Point, Inaccessible Island, Tristan da Cunha Islands Range: 37.1°S to 37.5°S; 12.7°W to 12.3°W Depth: 7 to 8 m Maximum Reported Size: 2.2 mm Distribution: Eastern Atlantic: Tristan de Cunha References: Worsfold, Avern & Ponder (1993) DdNSEWM
Rissoa arenaria auct. non Maton & Rackett, 1807, [Not available] Range: 37.43°S to 37.43°S; 12.48°W Depth: 274 to 150 m Distribution: Eastern Atlantic: Tristan de Cunha References: Watson (1886) DdNSEW; Worsfold, Avern & Ponder (1993) s Comments: Misidentification by Watson (1886) of a misidentification by Mighels (1842).
Partial List of References
Worsfold, T. M., G. Avern and W. F. Ponder. 1993. Shallow water rissoiform gastropods from Tristan da Cunha, South Atlantic Ocean, with records of species from Gough Island Zoologica Scripta 22 153-166.
