Acanthascus

Acanthascus is a genus of sponges in the family Rossellidae. Species include:


 * Acanthascus alani Ijima, 1898
 * Acanthascus cactus Schulze, 1886
 * Acanthascus koltuni Reiswig & Stone, 2013
 * Acanthascus malacus Reiswig, 2014
 * Acanthascus pachyderma Okada, 1932
 * Acanthascus platei Schulze, 1886
 * Acanthascus profundum (Koltun, 1967)