Lehmann, T. (). „Phylogeny and systematics of the Orycteropodidae (Mammalia, Tubulidentata)”. Zoological Journal of the Linnean Society. 155 (3): 649–702. doi:10.1111/j.1096-3642.2008.00460.x.
Lehmann, T.; Vignaud, P.; Mackaye, H.T.; Brunet, M. (). „A fossil aardvark (Mammalia, Tubulidentata) from the lower Pliocene of Chad”. Journal of African Earth Sciences. 40 (5): 201–217. doi:10.1016/j.jafrearsci.2005.01.001.