Douady, C. J.; Chatelier, P.I.; Madsen, O.; de Jong, W.W.; Catzeflis, F.; Springer, M.S.; Stanhope, M.J. (Oktober 2002). »Molecular phylogenetic evidence confirming the Eulipotyphla concept and in support of hedgehogs as the sister group to shrews«. Molecular Phylogenetics and Evolution. 25 (1): 200–209. doi:10.1016/S1055-7903(02)00232-4. PMID12383761.
Douady, C. J.; Chatelier, P.I.; Madsen, O.; de Jong, W.W.; Catzeflis, F.; Springer, M.S.; Stanhope, M.J. (Oktober 2002). »Molecular phylogenetic evidence confirming the Eulipotyphla concept and in support of hedgehogs as the sister group to shrews«. Molecular Phylogenetics and Evolution. 25 (1): 200–209. doi:10.1016/S1055-7903(02)00232-4. PMID12383761.