Eosimiidae Temporal range: Eocene–Oligocene |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | Primates |
Suborder: | Haplorrhini |
Infraorder: | Simian |
Family: |
†Eosimiidae Beard et al., 1994 |
Genera | |
Eosimiidae is the family of extinct primates believed to be the earliest simians.
There appears to be a wealthy diversity of Eosimiids in China. With several genera, such as Phileosimias, and Anthrasimias, their classification as Eosimiids appears to be dubious. Some scholars have even questioned whether the Eosimiids are even simians, as they seem closer to Tarsiiformes. Gunnell and Miller (2001) have found that Eosimiid morphology don't match up to anthropoid morphology.
Marivaux et al (2005) suggest three definite groups of Eosimiidae: Bahinia, Phanacopithecus and Eosimias. They announced their discovery of fossils of two new species, Phileosimias kamali and Phileosimias brahuiorum. They concluded that Phileosimias are also early simians, which might be placed in Eosimiidae or into a separate group.