Donald, K. M., Preston, J., Williams, S. T., Reid, D. R., Winter, D., Alvarez, R., Buge, B., Hawkins, S. J., Templado, J. & Spencer, H. G. (2012). Phylogenetic relationships elucidate colonization patterns in the intertidal grazers
Osilinus Philippi, 1847 and
Phorcus Risso, 1826 (Gastropoda: Trochidae) in the northeastern Atlantic Ocean and Mediterranean Sea.
Molecular Phylogenetics and Evolution. 62(1): 35–45.