Copidognathus perforatus Viets, 1940

Report associated with sponges: This species was reported among sponge Geodia sp. from Rovinj (Rovigno) (Adriatic Sea, Mediterranean Sea) (Viets 1940).

Remarks: This species found in mud, sand, among algae— Enteromorpha, Padina, and seagrass from Rovinj (Adriatic Sea, Mediterranean Sea) (Viets 1940).