ИСТИНА

During last decade traditional morphological paradigm of evolutionary biology has been challenged. Molecular systematics and phylogenetics were considered as an “advanced” fields compare to the “old-fashioned” traditional systematics. At the same time, enormous body of the practical and theoretical methods of “traditional” biology considered usually in a minimal degree. It is demonstrated, that the current evolutionary paradigm lacking organism shape changing theory. The links between evolution, ontogeny, systematics and phylogentics are prima facie obvious, but similarly greatly underestimated currently, though the field of the “Evo-devo” is continuously growing. As a synthesis (or more exactly, re-synthesis) of still in considerable degree developed independently major biological fields, i.e. ontogeny, evolution and taxonomy, new conception of ontogenetic systematics is therefore suggested and illustrated by the examples from the nudibranch molluscs.