BioStor
 | The type species of the genera and subgenera of bees Grace A Sandhouse (1943) Proceedings of the United States National Museum 92(3156): 519-619 |
 | Phylogeny of the Ammobatini and revision of the Afrotropical genera (Hymenoptera: Apidae: Nomadinae) C D Eardley and D J Brothers (1997) Journal of Hymenoptera Research 6: 353-418 |