Ocaña, A., Sánchez-Tocino, L., & García, F. J. (2004). Ontogenetic radular variation in species of Tambja Burn, 1962 (Gastropoda, Opisthobranchia, Polyceratidae), from the eastern Atlantic Ocean and Mediterranean Sea. Scientia Marina, 68(2), 205–210. https://doi.org/10.3989/scimar.2004.68n2205