Genus Sphaerasclera McFadden & Ofwegen 2013
Type species. Eleutherobia flammicerebra Williams, 2003, by original designation Diagnosis. Colonies with capitate growth form, with distinct, spherical polyparium raised on a bare stalk. Polyps are monomorphic and form rounded coenenchymal mounds over the entire surface of the capitulum. Sclerites are coloured spheroids and smaller radiates. Polyp sclerites are absent. Species are found mostly in deep water. Azooxanthellate. (adapted from McFadden & Ofwegen 2013).