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Dinosaur morphogenesis

     Query: has anyone yet conducted a statistical analysis of the relationship between increased dinosaur body sizes known from high latitudes (= decreased temperatures)? At lower latitudes, dinosaurs are smaller, temperatures higher, calling into question the concept that herbivory may have, in turn, precipitated pressure for increased pollination by social insects (with the additional idea that, perhaps, their pollination did not cause increased symmetricality in angiosperms flowers).