Redescription and life cycle of Eutima sapinhoa Narchi and Hebling, 1975 (Cnidaria: Hydrozoa, Leptothecata): a hydroid commensal with Tivela mactroides (Born) (Mollusca, Bivalvia, Veneridae) - Migotto, Alvaro Esteves; Caobelli, Janaína F.; Kubota, Shin (Journal of Natural History, 2004)