A, B Balanophyllia (Balanophyllia) diffusa A (USNM 91782, off Port St. Johns, 138 m) calicular view B (USNM 91780, off Kosi Bay Estuary, 74 m) calicular view C, D Balanophyllia (Balanophyllia) sp. cf. malouinensis C (SAM_H3069, off East London, 146–238 m) calicular view D (SAM_H3068, off Mazeppa Bay, 174 m) lateral view E, F Balanophyllia (Eupsammia) stimpsonii (SAM_H3831, off Cape Point, 97–99 m) E calicular view F lateral view G, H Dendrophyllia arbuscula (SAMC_A073119, off Cape Vidal, 65–70 m) G calicular view H lateral view I, J Dendrophyllia cladonia I (SAM_H1445, off Plettenberg Bay, 146 m) calicular view J (SAM_ H2833, off Gonubie, 155 m) lateral view K, L Dendrophyllia cornigera K (USNM 91827, off Durban, 232 m) calicular view L (SAM_ H3841, off Pringle Bay, depth unknown) lateral view M, N Dendrophyllia dilatata (SAMC_A073016, off Richards Bay, 500 m) M calicular view N lateral view O, P Dendrophyllia ijimai O (USNM 91844, off Shaka’s Rock, 68–70 m) calicular view P (SAMC_A090121, off Port Dunford, 85 m) lateral view. Scale bars: 10 mm (A–I, K, M, O); 100 mm (J, L, N, P).