The Coliiformes are represented by a single family, Coliidae or mousebirds, with six species in two genera (Colius and Urocolius) confined to
sub-Saharan Africa.
References/Literature
Ksepka DT, and Clarke JA (2010), New fossil mousebird (Aves: Coliiformes) with feather preservation
provides insight into the ecological diversity of an Eocene North American avifauna. Zool. J. Linn. Soc. 160, 685-706. (abstract)
Zelenkov NV, and Dyke GJ (2008), The fossil record and evolution of mousebirds (Aves:
Coliiformes), Palaeontology 51 (6), 1403-1418. (pdf)