Urgorria compostelana gen. et sp nov (Mollusca, Solenogastres, Rhopalomeniidae), a new species from off Galicia, Northwest of Spain

During trawls taken on the Banco de Galicia (NW Spain) 21 specimens of anew Solenogastres: Urgorria compostelana gen. et sp. nov. were collected from a bottom dominated by the coral Madrepora oculata (Linnaeus, 1758). This ne w species is characterized by a middorsal cuticular keel; a pedal groove wi th two identical folds, reduced to one at the end of the body, entering the pallial cavity; it lacks a radula; by very small epithelial glandular orga ns of the foregut (Type C) and a midgut with a paired, dorso-frontal caecum ; one pair of seminal receptacles; unpaired genital orifice with a weak sph incter; one dorsoterminal sense organ. No copulatory spicules or respirator y folds.