P. Moura, P. Vasconcelos, F. Pereira, A. N. Carvalho, and M. B. Gaspar, “Reproductive dynamics of the sympatric topshells Phorcus lineatus and Phorcus sauciatus (Gastropoda: Trochidae) on a rocky intertidal coast in southern Portugal”, Sci. mar., vol. 89, no. 1, p. e096, Apr. 2025.