33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
3724321
952964
1

Plesiadaptiformes (jan 1, 56000000 BC – jan 1, 54000000 BC)

Description:

A taxonomic order, parallel or ancestral to modern Primates;
•Appeared during the Paleocene, between 56 and 54 mya;
•Like modern Strepsirrhines, they were nocturnal, arboreal, largely reliant on smell and able to leap from branch to branch;
•Unlike all primates, however, they lacked either a postorbital bar or closure;
•Inaddition, they had monocular vision, claws instead of nails and relatively small brains

Added to timeline:

Date:

jan 1, 56000000 BC
jan 1, 54000000 BC
~ 2001328 years

Images: