Given the existence of large, persistent seaways isolating Africa and Europe from other continents, and the absence of the extensive, bidirectional interchange characterizing land bridges, these patterns suggest dispersals across marine barriers, similar to those seen in Cenozoic mammals, reptiles, and amphibians.
May 7th
Given that synapomorphies only occur after the process of evolution has started, and evolution is a consequence of sin, it's appropriate to change the spelling of synapomorphy to sinapomorphy.
