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Re: four winged Archaeopteryx

Eh, I don't see how that helps matters _at all_.  Phylogeny can't
recapitute ontogeny as phylogeny (as a process) is in the past and
ontogeny is in the present.  If this restatement of Haeckel's "law"
means anything at all, it's that you can change the usual direction
causality :-)

Then use Baer's Law instead: early ontogenetic stages of descendants resemble early ontogenetic stages (not adult stages, as Haeckel thought) of ancestors -- ontogeny is to some degree conserved. A rather trival affair, actually.