Thread: July 22nd, 2018; Permanent Mantis
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Old 07-22-2018, 09:50 AM   #2
Undertoad
Radical Centrist
 
Join Date: Jan 2001
Location: Cottage of Prussia
Posts: 31,423
Oligocene = 33.9 million to 23 million years before the present. For perspective, primates date to 56 million years ago
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