The inimitable Isabella Rossellini in the role of copulating snail. The Italian actress took on the disguise as part of Green Porno (2008), a series of shorts in which she comically re-enacted the mating habits of insects. This is just one of the many great images featured on @nice_shells, our Instagram of the Month. Founded by a New Yorker who wishes to remain anonymous, the account “reveals the surprising prevalence of shells in the forgotten corners and crevices of visual culture”, writes Madeleine Pollard. This includes everything from architecture to fashion to some seriously gaudy furniture, proving that there are always shells for those who wish to see them. Discover more about Nice Shells here.