basis of recordKensley, B. & Penrith, M.-L. (1970). The status of <i>Gregariella simplicifilis</i> Barnard, with records of Mytilidae from southern Angola. <em>Annals of the South African Museum.</em> 57: 123-130., available online athttps://biodiversitylibrary.org/page/40911807[details]
Present Inaccurate Introduced: alien Containing type locality