Azooxanthellate Scleractinia of Western Australia 
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Figure 3 a-b, Heterocyathus aequicostatus, Rosemary Island, WAM 263-93, oblique and side views, x 2.9. c, f, H. 
sulcutus. Lady Hasten stn LBlb, WAM 8-96, calicular and side views, x 5.2. d-e, H. alternatus, Lady Nora 
Flats, WAM 435-96, calicular and side views, x 5.2. g-j, H. hemisphaericus: g, holotype, BMNH, calicular 
view, x 4.1; h-j, calicular, basal, and side views of syntype of Spongioci/athus lypicus, SMNH 4756, x 4.1, x 
4.4, x 4,8, respectively, k-1, Deltocyathus sarsi from Rottnest Island, WAM 1028-79, calicular and basal 
views, both x 3.0, 
