Fischer de Waldheim, 1807
Hydnophora exesa (5)
Type species: Hydnophora exesa (Pallas, 1766)
Total number of species estimated: 20
Characteristics: Hydnophoroid. Colony formation by circummural polystomodaeal budding. Collines short, conical. Columella parietal to lamellar, discontinuous.
Range: Indo-Pacific.