Four notable additions to the South African echinoid fauna (Echinodermata, Echinoidea)

A–B (SAMC.A090123, off Mossel Bay): Histocidaris purpurata. A Aboral view of preserved specimen with partially removed spines B Oral view of preserved specimen with partially removed spines C–D Echinothrix diadema C (RMCA.2561, Ispingo). Aboral view of partially denuded test D (RMCA.2568, Sodwana Bay). Oral view of preserved specimen with spines E–F (SAMC.A090124, Sowdana Bay): Microcyphus rousseaui E Oral view of preserved specimen with spines F Aboral view of preserved specimen with spines G–H (SAMC.A090126, Park Rynie): Pseudoboletia maculata G Aboral view of preserved specimen with spines H Aboral view of preserved denuded test. Scale bars: 2 cm (A, B, G, H); 1 cm (C–F). All images were edited in GIMP 2.8.22 by Dr Carl Palmer and plate created by Zoleka Filander.