Nancy B. Simmons, Kevin L. Seymour, Jörg Habersetzer und Gregg F. Gunnell: Primitive Early Eocene bat from Wyoming and the evolution of flight and echolocation. In: Nature. Band 451, 2008, S. 818–821, doi:10.1038/nature06549, ISSN0028-0836.
Lucila I. Amador, Nancy B. Simmons und Norberto P. Giannini: Aerodynamic reconstruction of the primitive fossil bat Onychonycteris finneyi (Mammalia: Chiroptera). In: Biology Letters. Band 15, Nr. 3, 2019, 20180857, doi:10.1098/rsbl.2018.0857.
Nancy B. Simmons, Kevin L. Seymour, Jörg Habersetzer und Gregg F. Gunnell: Primitive Early Eocene bat from Wyoming and the evolution of flight and echolocation. In: Nature. Band 451, 2008, S. 818–821, doi:10.1038/nature06549, ISSN0028-0836.