Suyin Ting: Paleocene and early Eocene land mammal ages of Asia. Bulletin of the Carnegie Museum of Natural History 34, 1998, S. 124–147 ([1])
doi.org
Bin Bai, Yuan-Qing Wang und Jin Meng: The divergence and dispersal of early perissodactyls as evidenced by early Eocene equids from Asia. Communications Biology 1, 2018, S. 115 doi:10.1038/s42003-018-0116-5
Bin Bai, Jin Meng, Chi Zhang, Yan-Zin Gong und Yuan-Qing Wang: The origin of Rhinocerotoidea and the phylogeny of Ceratomorpha (Mammalia, Perissodactyla). Communications Biology 3, 2020, S. 509, doi:10.1038/s42003-020-01205-8