The previous page is sending you to https://www.alamy.com/bulletin-natural-history-natuurlijke-historie-superfamily-patelloidea-91-text-figs-107-112comparison-of-patelloid-gill-types-with-shell-structure-groups-dorsal-view-through-transparent-shell-modified-from-yonge-1947-1960-explanation-of-symbols-c-ctenidium-e-external-pallial-blood-vessel-foot-h-head-p-pallial-gills-s-shell-margin-text-fig-family-classification-genus-shell-structure-group-107-acmaeidae-acmaea-nomaeopelta-1-2-3-4-5-15-16-108-acmaeidae-lottia-1-109-acmaeidae-scurria-nomaeopelta-3-1-110-patellidae-helcion-cellana-6-7-12-13-14-111-patelli-image234212610.html.

 If you do not want to visit that page, you can return to the previous page.