Journal of Anatomy · 1969 · 1.8K citations · 0 references
Life SciencesBiologyEvolutionary BiologyComparative AnatomyEvolutionary TheoryPhylogeneticsComparative OsteologyMorphological PhylogeneticsPhylogenetic Comparative MethodsPhylogenetic PaleobiologyVertebrate EvolutionVertebrate SystematicsAnimal PhylogenyComparative Vertebral MorphologyPerissodactyl EvolutionPhylogenetic Hypothesis TestingVertebrate Phylogeny