Neopetrosia is a genus of marine petrosiid sponges. It was first established by the American spongiologist Max Walker de Laubenfels in 1932. It contains these 27 species: \n* Neopetrosia carbonaria (Lamarck, 1814) \n* Neopetrosia chaliniformis (Thiele, 1899) \n* Neopetrosia compacta (Ridley & Dendy, 1886) \n* Neopetrosia contignata (Thiele, 1899) \n* Neopetrosia cylindrica (Lamarck, 1815) \n* Neopetrosia delicatula (Dendy, 1905) \n* Neopetrosia densissima (Wilson, 1904) \n* Neopetrosia dominicana (Pulitzer-Finali, 1986) \n* Neopetrosia exigua (Kirkpatrick, 1900) \n* Neopetrosia granulosa (Wilson, 1925) \n* Neopetrosia halichondrioides Dendy, 1905 \n* Neopetrosia massa (Ridley & Dendy, 1886) \n* Neopetrosia perforata (Lévi, 1959) \n* Neopetrosia problematica (de Laubenfels, 1930) \n* Neopetrosia proxima (