Calwelliidae

Calwelliidae is a family of bryozoans belonging to the order Cheilostomatida.

Genera:
 * Calwellia Wyville Thomson, 1858
 * Ichthyaria Busk, 1884
 * Ijimaiellia Gordon, 2009
 * Malakosaria Goldstein, 1882
 * Onchoporella Busk, 1884
 * Onchoporoides Ortmann, 1890
 * Wrigiana Gordon & d'Hondt, 1997