Godwin, R. L. & Bond, J. E. (2021). Taxonomic revision of the New World members of the trapdoor spider genus Ummidia Thorell (Araneae, Mygalomorphae, Halonoproctidae). ZooKeys 1027: 1-65.
Bond, J.E. and N.I. Platnick A taxonomic review of the trapdoor spider genus Myrmekiaphila (Araneae, Mygalomorphae, Cyrtaucheniidae)