original description
(of Rissoina (Rissoina) ekkanana Ladd, 1966 †) Ladd, H. S. (1966). Chitons and gastropods (Haliotidae through Adeorbidae) from the western Pacific Ocean. <em>Geological Survey Professional Paper.</em> 531: ii + 98 pp., 16 pls.
page(s): 71 [details] Available for editors [request]
From editor or global species database
Fossil range Ladd stated the species to be "Recent", in the sense of Holocene. All his material was taken from boreholes and the species has not been yet reported living. [details]
From editor or global species database