Isopora Studer, 1878: 539.
Type species. Astrea palifera Lamarck, 1816 [as senior synonym of Madrepora labrosa Dana, 1846 as used by Studer (1878) as the type species].
Type locality. Southern Ocean (holotype MNHN-Z301a).
Diagnosis. Acroporidae with cuneiform, encrusting, or ramose colony form, with multiple axial or leading corallites, or some branches with more than a single axial corallite per branch, and numerous radial corallites. Coenosteum with elaborated meandroid spinules; columella and dissepiments absent. Polyps hermaphrodite, with oocytes and testes borne on separate mesenteries, mature oocytes contained in stalked extensions of the mesenterial filaments. Reproduction by release of sperm followed by internal fertilization and larval development. Late Miocene to Recent.
Further literature. Wallace et al. (2007), Budd & Wallace (2008), Budd & Wallace (2008)