New cucumariid holothurians (Echinodermata) from southern Australia, including two brooding and one fissiparous species

Abstract

O'Loughlin, P.M. and O'Hara, T.D., 1992. New cucumariid holothurians (Echinoder-3rl: ma&) from southern Australia, including two brooding and one fis3iparous species. b' Memoirs of the M w m of Victoria 53: 227-266. Twelve new species of cucumariid holothurians are described from off the coast of 11. southern Australia. Penlocnw gen. nov. is erected for one species which has no intenadid ,t, 1 plates in the calcareous ring. Cucuvitrum gen. nov. (1 species), Squ~mocmus gen. nov. (I 7; : species) and Apsolidium gen. nov. (3 species) are erected for species with wmbilrations of X' body and ossicle form not represented in known genera. The other species are assigned to Neocnus, Trachythyone (2 species), Ocnus, Neocucumis and Neocucumella. The new species of Pentoenus and Neocnus brood their young. The new species of Squamocnus is fissiparous. The new species of Cucuvifrum is host to a wpepod parasite (Cucumaricolidae).