Type species: Stereonephthya papyracea Kükenthal, 1905
Total number of species estimated: 75
Description Colonies arborescent with branched polyparium, stiff. Polyps not retractile, distributed on distal part of terminal branches, with supporting bundle. Sclerites are spindles and unilateral spinose spindles; surface layer of base of stalk also with capstans and derivations of capstans. Colonies white or coloured. Zooxanthellae absent.
Habitat: Deeper parts of the reef.
Range: Widespread in tropical Indo-Pacific.