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- noun Plural form of
Sorry, no etymologies found.
The fact that 'ungulates' as once imagined (see Prothero et al. (1988), where Ungulata includes artiodactyls, perissodactyls, cetaceans, dinoceratans, tethytheres, hyracoids and others) are clearly not monophyletic - instead they're scattered about the placental tree - means that 'archaic ungulates' are surely of diverse affinities too.