original description(ofLaevitrigonia (Malagasitrigonia) collignoni L. R. Cox, 1964 †)Cox, L. R. (1964). New genera and subgenera of Trigoniidae from Australia and Madagascar. <em>Proceedings of the Malacological Society of London.</em> 36(1): 49-52, pl. 2. page(s): 52, pl. 2, figs 4, 5 [details]
Present Inaccurate Introduced: alien Containing type locality