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Jul 4, 2016 at 9:20 comment added nigel222 Of course everyone knows that not all dinosaurs went extinct here. We know the extant ones as birds.
Mar 27, 2016 at 8:45 history bounty ended dot_Sp0T
Mar 24, 2016 at 9:28 comment added dot_Sp0T I reread this answer just now again and am still blasted away by detail and care you put into the calculus
Aug 5, 2015 at 14:49 vote accept dot_Sp0T
Jun 29, 2015 at 18:49 history edited WhatRoughBeast CC BY-SA 3.0
deleted 6 characters in body
Jun 29, 2015 at 18:47 comment added WhatRoughBeast @Green - Well, there would be no communication to speak until one side or the other produced a technologically advanced civilization which made the effort to cross the equator (and that would be very difficult with sailing ships, since equatorial storms would have unlimited fetch to build strength). Then, if our own experience is any judge, settlers would bring their own species with them, with all sorts of interesting consequences.
Jun 29, 2015 at 18:31 comment added Green I like your idea about mammals on one continent and dinosaurs on the other. It'd be a hell of a mess if the equivalent of the Great American Interchange happened in that world.
Jun 29, 2015 at 18:20 history answered WhatRoughBeast CC BY-SA 3.0