Via Smithsonian:

The near-complete fossil of a tiny creature unearthed in China in 2002
has bolstered the idea that the anthropoid group of primates — whose
modern-day members include monkeys, apes and humans — had appeared by at
least 55 million years ago. The fossil primate does not belong to that
lineage, however: it is thought to be the earliest-discovered ancestor
of small tree-dwelling primates called tarsiers,…