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🧬 Life
🦴 First New World monkey fossils appear in South America (families: Pitheciinae, Atelinae, Cebinae, Aotinae, Callitrichinae) less than 25 Mya
🐵 Richard Dawkins (2004) describes New World platyrrhine ‘monkeys’ at Rendezvous 6, in evolutionary history circa Concestor 6 around our 3-million-greats grandparents somewhere in Africa between 25-40 Mya
🐀 hystricognath rodents arrive in South America around the same time as New World monkeys, rafting the same island chains . These rodents are named after the African porcupine Hystrix. Today there are still hystricognath rodents in Africa according to Dawkins (2004) including African porcupines, mole rats, dassie rats and cane rats.
🪨 Geology
🌎🌍Sea levels were lower and South America and Africa were closer together greater than 40 Mya