porostomatous

porostomatous, a. Zool.

(pɒrəʊ-, pɔərəʊˈstɒmətəs)

[f. mod.L. Porostomata (f. Gr. πόρο-ς pore + στόµα(τ-) mouth) + -ous.]

Belonging to or having the characters of the Porostomata, a group of nudibranchiate gastropods in which the mouth is pore-shaped.