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Hyracodontidae
Taxonomy
Hyracodontidae was named by Cope (1879). It is not extant.
It was assigned to Perissodactyla by Lambe (1908); to Chelodactyla by Scott (1913); to Perissodactyla by Cope (1889), Peterson (1919); to Rhinocerotida by Prothero and Schoch (1989); to Rhinocerotoidea by Hay (1902), Radinsky (1966), Ferrusquia-Villafranca (1969), Carroll (1988), Dashzeveg (1996), Holbrook (1999), Wang et al. (2016); and to Perissodactyla by Cope (1881), Bai and Wang (2017), Lofgren et al. (2020).
It was assigned to Perissodactyla by Lambe (1908); to Chelodactyla by Scott (1913); to Perissodactyla by Cope (1889), Peterson (1919); to Rhinocerotida by Prothero and Schoch (1989); to Rhinocerotoidea by Hay (1902), Radinsky (1966), Ferrusquia-Villafranca (1969), Carroll (1988), Dashzeveg (1996), Holbrook (1999), Wang et al. (2016); and to Perissodactyla by Cope (1881), Bai and Wang (2017), Lofgren et al. (2020).