C. Grande; J. Templado; J.L. Ververa; R. Zardoya (2004). «Phylogenetic relationships among Opisthobranchia (Mollusca, Gastropoda) based on mitochondrial cox 1, tmV, and rmL genes». Molecular Phylogenetics and Evolution33 (2): 378-388. PMID15336672. doi:10.1016/j.ympev.2004.06.008.
C. Grande; J. Templado; J.L. Ververa; R. Zardoya (2004). «Phylogenetic relationships among Opisthobranchia (Mollusca, Gastropoda) based on mitochondrial cox 1, tmV, and rmL genes». Molecular Phylogenetics and Evolution33 (2): 378-388. PMID15336672. doi:10.1016/j.ympev.2004.06.008.