Retinal ultrastructure of patellogastropods revisited

Abstract

Eyes are found in four of the molluscan classes (Gastropoda, Bivalvia, Polyplacophora and Cephalopoda; Serb & Eernisse, 2008). Within the gastropods, the detailed structure of the eyes has been described for the adults of numerous taxa (e.g. Eakin, Westfall & Dennis, 1967; Tonosaki, 1967; Jacklet, Alvarez & Bernstein, 1972; Mayes & Hermans, 1973; Hughes, 1970, 1976; Gillary & Gillary, 1979; Gibson, 1984; Howard & Martin, 1984; Katagiri, 1984; Katagiri et al., 1995; Blumer, 1996; Meyer-Rochow & Bobkova, 2001; Zhukov et al., 2006). Because of the systematic diversity...