... Goals and Tasks . ... Developmental biology and evolution of living systems . ... The studies were undertaken in the direction of revelation of the patterns of rates and mechanisms of morphological macroevolution in modern and fossilized vertebrates (fishes, amphibians, reptiles) by the study of different systems of their organs with comparative and experimental methods. ... Evolutionary reorganizations and homology of several cranium muscles in amphibians and reptilians were clarified. ...