Macrotarsius is an extinct genus of omomyid that inhabited North America and East Asia during the Eocene epoch.
Taxonomy Macrotarsius contains five species: the type species M. montanus, M. jepseni, M. macrorhysis, M. roederi, and M. siegerti.
Distribution Macrotarsius macrorhysis lived in Jiangsu, China, during the Middle Eocene.
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