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n. pl.1.(Zool.) A suborder of Bryozoa, usually having a circle of bristles below the tentacles.
References in periodicals archive ?
Se identificaron diez especies de briozoos pertenecientes a la Clase Gymnolaemata, de los cuales siete son del Orden Cheilostomata y tres del Ctenostomata (Tabla 1).
Class Gymnolaemata includes the uncalcified order Ctenostomata and the youngest order, Cheilostomatida, with typically box-shaped zooids; it is this speciose (4921 extant species) order that provides most mineralogical variability (Bock and Gordon, 2013; Smith et al.
Part 3, Cyclostomata, Ctenostomata, Entroprocta, and Addenda.