Reassessment of Some Early Eocene Omomyidae, with Description of a New Genus and Three New Species

Abstract
Study of new and previously known specimens of omomyid primates from the early Eocene of Wyoming has resulted in a reevaluation of several genera and the description of new taxa. ‘Omomys’ vespertinus is placed in a new anaptomorphine genus, Steinius, which possesses some characters foreshadowing omomyines. ‘Omomys’ minutus is transferred to Loveina, a genus that likewise shows a combination of anaptomorphine and omomyine features. The new species Chlororhysis incomptus, Anemorhysis wortmani, and Anemorhysis pattersoni are described from the upper part of the Willwood Formation, Bighorn Basin, Wyoming.

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