Agauopsis microrhyncha (Trouessart, 1889)

Report associated with sponges: This species was reported among sponges from the Mediterranean Sea (André 1929, 1946); among sponge Aplysina sp. from Rovinj, Croatia (Adriatic Sea, Mediterranean Sea) (Viets 1940); among Aplysina aerophoba from Split, Croatia (Adriatic Sea, Mediterranean Sea) (Viets 1939, 1940).

Remarks: This species has been reported among mud, algae, and bryozoans from Rovinj, Croatia (Adriatic Sea, Mediterranean Sea) (Viets 1940). This species was reported from various subtidal substrata in northeastern Atlantic and Mediterranean Sea (Bartsch 2009).