Taxon - Links and literature
Yanega D.: Bee Genera of the World [http://www.faculty.ucr.edu/~heraty/beepa...] [as Protoxaea]Data retrieved on: 19 September 2008
The Interim Register of Marine and Nonmarine Genera [1336871]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Protoxaea Cockerell & Porter, 1899]
Data retrieved on: 30 November 2019