Bown, Thomas M.; Simons, Elwyn L. (1987). New Oligocene Ptolemaiidae (Mammalia: ?Pantolesta) from the Jebel Qatrani Formation, Fayum Depression, Egypt. Journal of Vertebrate Paleontology. 7 (3): 311—324. doi:10.1080/02724634.1987.10011662. JSTOR4523148.
Miller, Ellen R.; Rasmussen, D. Tab; Kappelman, John; Friscia, Anthony R.; Muteti, Samuel N.; Gutierrez, Mercedes (2015). Ptolemaia from West Turkana, Kenya. Bulletin of the Peabody Museum of Natural History. 56 (1): 81—88. doi:10.3374/014.056.0105. S2CID131444959.
Bown, Thomas M.; Simons, Elwyn L. (1987). New Oligocene Ptolemaiidae (Mammalia: ?Pantolesta) from the Jebel Qatrani Formation, Fayum Depression, Egypt. Journal of Vertebrate Paleontology. 7 (3): 311—324. doi:10.1080/02724634.1987.10011662. JSTOR4523148.
Miller, Ellen R.; Rasmussen, D. Tab; Kappelman, John; Friscia, Anthony R.; Muteti, Samuel N.; Gutierrez, Mercedes (2015). Ptolemaia from West Turkana, Kenya. Bulletin of the Peabody Museum of Natural History. 56 (1): 81—88. doi:10.3374/014.056.0105. S2CID131444959.