Littorina littorea. Comparison of normal maximum sized shell (31.2mm high) with exceptionally large one (50.3mm high). Dorsal views of live position, standing on aperture, so apex tilted up. Orkney, April 1974.
Littorina littorea. Comparison of normal maximum sized shell (31.2mm high) with exceptionally large one (50.3mm high). Dorsal views of live position, standing on aperture, so apex tilted up. Orkney, April 1974.
Littorina littorea. Comparison of normal maximum sized shell (31.2mm high) with exceptionally large one (50.3mm high). Dorsal views of live position, standing on aperture, so apex tilted up. Orkney, April 1974.
