Luitfriedia minuta gen. et sp nov (Mollusca : Solenogastres), a new species from Galicia, North-West Spain.

During the expeditions FAUNA IBERICA II and CANGREXO I off the coast of the Iberian peninsula, eighteen specimens of Luitfriedia minuta gen. et sp. no v., were collected in Galicia (NW Spain). The new species, which belongs to the sub-family Eleutheromeniinae of the family Pararrhopaliidae, is charac terized by a thick cuticle with hollow, acicular and hooked spicules; a ped al groove with one fold that does not enter the pallial cavity; the absence of a radula and a radular sac rudimentary; no dorsal pharyngeal gland; the ventral foregut glandular organs belong to the type A (according to Salvin iplawen, 1978); the midgut is devoid of a dorsal caecum; the posterior-most sole glands are enlarged and the unpaired genital orifice has a muscular s phincter. There are no copulatory and abdominal spicules; ten to twelve res piratory folds are present. The features of the new species are discussed a nd compared with those of other species of the subfamily.