| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Isodictya aspera Bowerbank, 1877 |
Western Central Pacific | ||
| Isodictya cavicornuta Dendy, 1924 |
Antarctic Indian Ocean | ||
| Isodictya delicata (Thiele, 1905) |
Southeast Pacific and Antarctic Indian Ocean | ||
| Isodictya dufresni Boury-Esnault & van Beveren, 1982 |
Antarctic Indian Ocean | ||
| Isodictya erinacea (Topsent, 1916) |
Southern Oceans | ||
| Isodictya filiformis Ríos, Riesgo, Taboada & Cristobo, 2020 |
Antarctic Sea | ||
| Isodictya kerguelenensis (Ridley & Dendy, 1886) |
Antarctic | ||
| Isodictya lankesteri (Kirkpatrick, 1907) |
Antarctic Atlantic | ||
| Isodictya palmata (Ellis & Solander, 1786) |
Common palmate sponge | Arctic and Northwest Atlantic | |
| Isodictya quatsinoensis (Lambe, 1893) |
Northeast Pacific and the Arctic | ||
| Isodictya rigida (Lambe, 1893) |
Orange finger sponge | Northeast Pacific | |
| Isodictya setifera (Topsent, 1901) |
Antarctic Atlantic | ||
| Isodictya toxophila Burton, 1932 |
Antarctic Atlantic | ||
| Isodictya verrucosa (Topsent, 1913) |
Antarctic |