This group sometimes includes the monotypic (sub)tribe Biina, otherwise placed in the Brassolini.[1]
This group is the subject of intense study and the following classification is subject to modification.[2]
^Freitas, A. V. L., Debra L. Murray, D. L., and Brown, K. S., Jr. 2002. Immatures, natural history and the systematic position of Bia actorion (Nymphalidae). Journal of the Lepidopterists' Society, 56(3): 117-122, 2 figs. (11 October) (Bia placed in Satyrinae)
^Lamas, G. (Ed.). (2004). Atlas of Neotropical Lepidoptera. Checklist: Part 4A. Hesperioidea-Papilionoidea. Gainesville: Association for Tropical Lepidoptera. ISBN0-945417-28-4.