Pontarachna punctulum Phillippi, 1840

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

Remarks: This has been commonly found in the Mediterranean area (Chatterjee et al. 2019, Pešić et al. 2019). There are also some records from the Black Sea, USA and Canada (Chatterjee et al. 2019). Durucan (2021b) reported this species from Izmir —Urla-Karantina Island, Turkey, Aegean Sea among oyster, bivalves Pinctada radiata (Leach, 1814) .