section_heading: Filogenija
paragraph_text: Slijedi opći konsenzus filogenije kopitara.<ref>Gatesy, J., Geisler, J. H., Chang, J., Buell, C., Berta, A., Meredith, R. W., ... & McGowen, M. R. (2013). A phylogenetic blueprint for a modern whale. Molecular Phylogenetics and Evolution, 66(2), 479-506.<ref>