... to thousands of eyespots (∼35 µm) distributed across their shell plates; these eyespots are associated with spatial vision. Mollusc Visual ecology Eye evolution Orientation Comparative morphology A diverse set of invertebrates gather spatial information about light using tens to hundreds...

... well-conserved ancestral ommatidial eye units. Stemmata Eye evolution Optics Larval eyes those that attain spatial resolution through a convex retina, as is the case for compound eyes ( Fig. 2B ). As image-forming stemmata evolved from compound eyes, they must have transitioned from...

... – demand future study to strengthen our understanding of stomatopod eye evolution. Because our phylogeny is congruent with Ahyong and Jarman's ( Ahyong and Jarman, 2009 ) findings showing that the lineages Hemisquillidae and Pseudosquillidae are distinct from the remaining Gonodactyloidea, we...

... of the butterfly visual pigments, the three major spectral classes are encoded by ancient duplications, which produced distinct UV, B and LW opsin genes. 26 11 2007 © The Company of Biologists Limited 2008 2008 eye evolution color vision photoreceptor rhodopsin visual pigment opsin sexual...

...)( Eliot, 1973 ). eye evolution sexual selection visual pigment color vision butterfly Lycaena rubidus To explain the four major evolutionary innovations we have identified in L. rubidus eye (duplicate blue opsin cDNAs, novel R1 and R2 photoreceptor subtypes, co-expression of B and LW...