Turvey, Samuel T.; Tong, Haowen; Stuart, Anthony J.; Lister, Adrian M. Holocene survival of Late Pleistocene megafauna in China: A critical review of the evidence. Quaternary Science Reviews. 2013, 76: 156–166. Bibcode:2013QSRv...76..156T. doi:10.1016/j.quascirev.2013.06.030.
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Turvey, Samuel T.; Tong, Haowen; Stuart, Anthony J.; Lister, Adrian M. Holocene survival of Late Pleistocene megafauna in China: A critical review of the evidence. Quaternary Science Reviews. 2013, 76: 156–166. Bibcode:2013QSRv...76..156T. doi:10.1016/j.quascirev.2013.06.030.
J. Shoshani(英语:Jeheskel Shoshani), R. C. Walter, M. Abraha, S. Berhe, P. Tassy, W. J. Sanders, G. H. Marchant, Y. Libsekal, T. Ghirmai and D. Zinner. 2006. A proboscidean from the late Oligocene of Eritrea, a "missing link" between early Elephantiformes and Elephantimorpha, and biogeographic implications. Proceedings of the National Academy of Sciences 103(46)