| Radinsky, L.B., 1967. A review of the Rhinocerotoid Family Hyracontidae (Perissodactyla). Bulletin of the American Museum of Natural History 136 (1): 1-47
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| Radinsky, L.B., 1967. A review of the Rhinocerotoid Family Hyracontidae (Perissodactyla). Bulletin of the American Museum of Natural History 136 (1): 1-47
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| Radinsky, L.B., 1966. The families of the Rhinocerotoidea (Mammalia, Perissodactyla). Journal of Mammalogy 47 (4): 631-639, figs. 1-3
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