This idea is explored heavily by Steven J. Gould in his book Ontogeny and Phylogeny. I highly recommend anyone interested in this idea to check it out. As far a

This idea is explored heavily by Steven J. Gould in his book Ontogeny and Phylogeny. I highly recommend anyone interested in this idea to check it out. As far as I remember the "fallacy" is not that these stages exist, but that evolution works by adding new stages on top and pushing the previous stages down into development.