biporosus, Clinus Gilchrist [J. D. F.] & Thompson [W. W.] 1908:137 [Annals of the South African Museum v. 6 (pt 2, no. 2); ref. 5840] St. James, False Bay, South Africa. Lectotype: SAM 25141. Paralectotypes: SAM 10528-29 (1, 1). Lectotype selected by Penrith 1969:93 [ref. 20726]. •Valid as Clinoporus biporosus (Gilchrist & Thompson 1908) -- (Penrith 1969:92 [ref. 20726], Smith 1986:761 [ref. 5712], Patzner et al. 2009:466 [ref. 30396], Holleman 2022:389 [ref. 39961]). Current status: Valid as Clinoporus biporosus (Gilchrist & Thompson 1908). Clinidae. Distribution: Southeastern Atlantic, southeastern Indian Ocean: Western Cape (South Africa) endemic. Habitat: marine.