Illustrated guide to the echinoid (Echinodermata: Echinoidea) fauna of South Africa Author Filander, Zoleka Author Griffiths, Charles text Zootaxa 2017 4296 1 1 72 journal article 32399 10.11646/zootaxa.4296.1.1 ad746972-3837-4f1d-bf97-c09e5d7f1bd5 1175-5326 843325 EFE86EDD-D170-4D97-87D9-3125400713EC * 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 .