Fig. 55. Perrinia konos (Barnard, 1964): (A) typical specimen, off Gobey's Point, KZN, length 5.3 mm (NMSA E1440); (B) specimen with three spiral cords above peripheral keel, off Port Grosvenor, Eastern Cape, length 6.0 mm (NMSA E346); (C) specimen with well developed intritacalx deposit, NE of Gipsy Hill, KZN, length 4.9 mm (NMSA E7462); (D) pink specimen, subadult, off N'tafufu River, Eastern Cape, length 4.9 mm (NMSA E241); (E) broad specimen, Baie Narendry, northern Madagascar, length 5.3 mm (MNHN); (F) boldly patterned specimen, between Lokaro and St Luce, southern Madagascar, length 5.6 mm (MNHN).

Published as part of Herbert, D. G., 2012, A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean, pp. 381 in African Invertebrates 53 (2) on page 471, DOI: 10.5733/afin.053.0209, http://zenodo.org/record/7918274