RT journal article T1 Protaeolidiella atra Baba, 1955 versus Pleurolidia juliae Burn, 1966: One or two species? A1 Carmona Barnosi, Leila A1 Pola, Marta A1 Gosliner, Terrence M. A1 Cervera Currado, Juan Lucas A2 Biología AB Protaeolidiella atra Baba, 1955 and Pleuroli- dia juliae Burn, 1966 are two species traditionally regarded as the members of Aeolidiidae but recently attributed to Facelinidae. Because of their apparent similarities, Rud- man (J Molluscan Stud 56:505–514, 1990) rendered P. juliae as a junior synonym of P. atra. In this paper, we conducted a review of both species and completed their descriptions with new data regarding the anatomy of the reproductive system. P. atra and P. juliae have differences in their colouration, number of cerata and characteristics of their reproductive system. Based on these differences, we conclude that these species are not conspecific and should be regarded as distinct taxa. PB Springer SN 1438-3888 YR 2015 FD 2015 LK http://hdl.handle.net/10498/34288 UL http://hdl.handle.net/10498/34288 LA eng DS Repositorio Institucional de la Universidad de Cádiz RD 14-nov-2026