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Geraads, D.; Alemseged, Z.; et al. (2010). "Nyctereutes lockwoodi, n. sp., a new canid (Carnivora: Mammalia) from the middle Pliocene of Dikika, Lower Awash, Ethiopia". Journal of Vertebrate Paleontology. 30 (2): 981–987. doi:10.1080/02724631003758326. S2CID83954055.