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<p>1. <i>Cratogeomys castanops</i>
</p><p>2. <i>Cratogeomys fulvescens</i>
</p><p>3. <i>Geomys personatus fallax</i>
</p>
4. <i>Geomys personatus</i>
F. Muller, del.
Merriam, C. Hart (1895). Monographic Revision of the Pocket Gophers Family Geomyidæ (Exclusive of the species of Thomomys). North American Fauna. 8. Washington: Government Printing Office. Pl. 12.