A similar theory, mosaic evolution has appeared since King Gregory's death.
2.
The current hypothesis for the evolution of the saber-toothed phenotype, made possible by Batollnes-1, is that this phenotype arose gradually over time through mosaic evolution.
3.
De Beer worked on paleornithology and general evolutionary theory, and was largely responsible for elucidating the concept of mosaic evolution, as illustrated by his review of " Archaeopteryx " in 1954.