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Eugenie Barrow; Erik R. Seiffert; Elwyn L. Simons (2010). »A primitive hyracoid (Mammalia, Paenungulata) from the early Priabonian (Late Eocene) of Egypt«. Journal of Systematic Palaeontology. 8 (2): 213–244. Bibcode:2010JSPal...8..213B. doi:10.1080/14772010903450407. S2CID84398730.
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Eugenie Barrow; Erik R. Seiffert; Elwyn L. Simons (2010). »A primitive hyracoid (Mammalia, Paenungulata) from the early Priabonian (Late Eocene) of Egypt«. Journal of Systematic Palaeontology. 8 (2): 213–244. Bibcode:2010JSPal...8..213B. doi:10.1080/14772010903450407. S2CID84398730.
Eugenie Barrow; Erik R. Seiffert; Elwyn L. Simons (2010). »A primitive hyracoid (Mammalia, Paenungulata) from the early Priabonian (Late Eocene) of Egypt«. Journal of Systematic Palaeontology. 8 (2): 213–244. Bibcode:2010JSPal...8..213B. doi:10.1080/14772010903450407. S2CID84398730.