Chondrocyclus, Cole, 2019

Cole, Mary L., 2019, Revision of Chondrocyclus s. l. (Mollusca: Cyclophoridae), with description of a new genus and twelve new species, European Journal of Taxonomy 569, pp. 1-92 : 7

Genus Chondrocyclus sensu lato Ancey, 1898

Chondrocyclus Ancey, 1898: 136 (type species by original designation: Cyclostoma convexiusculum Pfeiffer, 1855 ).

Chondrocyclus – Kobelt 1902: 230 . — Connolly 1929: 239; 1939: 536. — Herbert & Kilburn 2004: 90

Key to genera within Chondrocyclus s.l.

1. Shell with axial periostracal costae usually expanded into spiral row(s) of broad-based flanges with pointed or rounded tips, radula with 2 or 3 large cusps on second lateral tooth, Cape peninsula to northern KwaZulu-Natal; or shell with axial periostracal costae expanded into spiral rows of hairs; operculum slightly concave, robust and dark brown, radula with 3 large cusps on second lateral tooth, Southwestern Cape only ........................................................ Chondrocyclus s.s. Ancey, 1898

– Shell with axial periostracal costae usually expanded into spiral rows of hairs, operculum flat, very fragile and pale corneous honey-brown, radula with two large cusps on second lateral tooth, Afromontane and southeast coast; or shell with axial periostracal costae slightly expanded at periphery, but not produced into hairs, radula with two large cusps on second lateral tooth, operculum with fringe consisting of bunches of short bristles, KwaZulu-Natal south coast only ........................ ............................................................................................................................ Afrocyclus gen. nov.