Anaptomorphinae is a pre-historic group of primates known from Eocene fossils in North America and Europe and later periods of Paleocene Asia, and are a sub-family of omomyids.

The probable lineages of Tetonius, Absarokius and Anemorhysis evolved from Teilhardinia or a closely related form from North America.

Tetonius from the Early Eocene was first found in the late nineteenth century and is considered important due to the significance of the find in forming the phylogeny of the primates.

[8][9] Analyses of over a hundred specimens of omomyid primates recovered in the Wasatch formation in Wyoming, suggest that anaptomorphines never developed the highly specialised molars seen in modern prosimians.

Similarly, incisor enlargement was most likely an adaptation for grooming and food manipulation rather than a purely frugivorous or insectivorous diet.