* Stereocidaris alcocki (Anderson, 1894) Fig. 10. A–C. Stereocidaris tricarinata: Döderlein, 1906: 112 –114. Pl. X, Fig. 7. Pl. XXXVI, Fig. 3. Stereocidaris alcocki: Mortensen, 1928a: 266. Pl. LXXI, Fig. 8. Pl. LXXXII, Fig. 18; Schultz, 2011: 1037; Filander & Griffiths, 2014: 51. Pl. I, Fig. D. Material examined. A28229 Identification. Globular, solid test. Apical disc with oculars insert, genital plates raised. Primary spines with three keels basally, two arranged laterally and one on underside; scrobicular spines having longitudinal furrows. Global maximum size. Maximum test diameter 32 mm. Global distribution. Restricted to Indian Ocean (Schultz 2011) including East coast of South Africa, depth 371 – 850 m.

Published as part of Filander, Zoleka & Griffiths, Charles, 2017, Illustrated guide to the echinoid (Echinodermata: Echinoidea) fauna of South Africa, pp. 1-72 in Zootaxa 4296 (1) on page 15, DOI: 10.11646/zootaxa.4296.1.1, http://zenodo.org/record/843325