Urceolaria undetermined

Semprucci, Barbara Mikac Federica, Guidi, Loretta, Ponti, Massimo, Abbiati, Marco, Balsamo, Maria & Dovgal, Igor, 2020, Newly discovered associations between peritrich ciliates (Ciliophora: Peritrichia) and scale polychaetes (Annelida: Polynoidae and Sigalionidae) with a review of polychaete-peritrich epibiosis, Zoological Journal of the Linnean Society 188, pp. 939-953 : 949

URCEOLARIA SP.

Polydora colonia Moore, 1907 (Fam. Spionidae ) – on the palps, the anterior and the posterior chaetigers and the pygidium; Hempstead East Marina , New York, north-western Atlantic Ocean (David & Wiliams, 2012).

Polydora cornuta Bosc, 1802 (Fam. Spionidae ) – on the body surface; Los Angeles Bay, southern California, north-eastern Pacific Ocean (Douglas & Jones, 1991).

Family Trichodinidae Claus, 1951 .