Report associated with sponges: This species was reported from mud and sediments containing organisms such as sponge (Halicondria sp.), algae (Cystoclonium, Plocanium), pycnogonids, etc., from Helgoland, North Sea (Viets 1927a).
Remarks: This species was found in Novaja Semlja, Murmansk, Greenland, eastern and western North Atlantic, and Baltic Sea from tidal and subtidal substrata, mainly among algae in marine and brackish water (Hodge 1860; Viets 1927a; Newell 1947; Bartsch 1972, 2009; Green & MacQuitty 1987; Abé 1998).