Ramírez, R. et al. 2005. Population structure and spatial distribution of the gastropod molluscs Osilinus atrata and Osilinus sauciatus in the rocky intertidal zone of the Canary Islands (Central East Atlantic). Ciencias Marinas. 31, 4 (Mar. 2005), 697–706. DOI:https://doi.org/10.7773/cm.v31i4.35.