Sampled mountains are in the Eastern part of the Trans-Mexican Volcanic Belt: Malinche, Cofre de Perote, Pico de Orizaba and Sierra Negra.

  Part of: Arriaga-JimĂ©nez A, Roy L (2015) Co1 DNA supports conspecificity of Geomyphilus pierai and G. barrerai (Coleoptera, Scarabaeidae, Aphodiinae) and is a good marker for their phylogeographic investigation in Mexican mountains. ZooKeys 512: 77-88.