A bryozoan, especially one which forms mat-like encrustations on underwater objects.
- Membranipora and other genera, class Gymnolaemata
More example sentences
- Many of the less calcified bryozoans, like the common sea mat, live attached to seaweed in the intertidal and shallow subtidal areas.
- I have been somewhat obsessed with collecting Sea mat for nearly 3 years now, since my first introduction to these species.