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Sullivan & Lucas 1986. Sullivan, R.M.; Lucas, S.G. (1986). "Annotated list of fossil vertebrates from the Paleocene Nacimiento Formation (Puercan-Torrejonian), San Juan Basin, New Mexico". Journal of Herpetology. 20 (2): 202–209. doi:10.2307/1563945. JSTOR1563945.
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Williamson et al. 2012. Williamson, Thomas E.; Brusatte, Stephen L.; Carr, Thomas D.; Weil, Anne; Standhardt, Barbara R. (1 December 2012). "The phylogeny and evolution of Cretaceous–Palaeogene metatherians: cladistic analysis and description of new early Palaeocene specimens from the Nacimiento Formation, New Mexico". Journal of Systematic Palaeontology. 10 (4): 625–651. doi:10.1080/14772019.2011.631592. S2CID83996185.