Annals of the South African Museum, Volume 68

abcauline adcauline wall adnate Allman alternate angle annulated aperture apophysis arising athecate internode basal base bearing body borne branches closely coast colony completely consisting containing curved depth developed Diagnosis diaphragm distal end Distribution in South Distribution outside South divided Durban erect Family fascicled female four genera Genus giving gonophores gonotheca height hydranth hydro hydrocladia hydrorhiza hydrothecae internal lateral length less male marginal diameter marginal teeth material maximum median inferior medusa Millard Millard & Bouillon mouth nematocysts nematothecae normally oblique nodes occur opposite pair pedicel perisarc plane Plumularia present produced proximal reaching record region rest round rows Scale separated septa Sertularella Sertularia short side slightly smooth sometimes South Africa species spines sporosacs Stechow stem straight surface tentacles terminal thecal thecal margin thecate internodes thickened tooth transverse tube tubular Type locality unbranched unfascicled usually variable Variation Vervoort Warren whorl