Anascina is a sub-order under class Cheilostomida. Anascina grow on surfaces of rocks and kelps. Anascina have characteristics that most bryozoans will have, such as forming colonies and their simple internal anatomy.

There are 30 families classifying Anascina, Aeteidae, Alysidiidae, Aspidostomatidae, Beaniidae, Bicellariellidae, Bugulidae, Calloporidae, Cellariidae, Chaperiidae, Cothurnicellidae, Cupuladriidae, Electridae, Epistomiidae, Eucrateidae, Euoplozoidae, Farciminariidae, Flustridae, Hiantoporidae, Labiostomellidae, Macroporidae, Membraniporidae, Microporidae Onychocellidae, Poricellariidae, Pseudoporicellariidae, Scabereidae, Scrupariidae, Steginoporellidae, Stetosellidae, and Thalamoporellidae.