As a scientist, he was the first to distinguish between the genus Archaeopteryx and the genus Archaeornis; he also discovered new characteristics of the genera Tritylodon and Moeritherium.
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Petronijević joined the Philosophical Society of the University of Vienna and studied under Ludwig Boltzmann.
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With his whole philosophical, philosophically-scientific and scientific activity Petronijević, in the line with earlier empirical and critical metaphisicists, such as Lotze, Herbart, Hartmann, Volkelt, he directly contributed and made possible the formation of modern sphere of cognition which is today known as Metascience.
Branislav | Branislav Šoškić | Branislav Pokrajac | Branislav Nušić | Branislav Babić |