Jovan Hadži theories of animal evolution. He devised a system of classification in which he divided the animal kingdom into six phyla: Protozoa, Parazoa, "Ameria" (animals with no segments), "Oligomeria" (animals with few segments), "Polymeria" (animals with many segments) and Chordata. His choice of characters important for classification was generally discredited by his contemporaries, and the system was never accepted by zoologists. However, due to its simplicity, the system was widely used in science education in former Yugoslavia. His other major theory was that of the origin of metazoa - he developed an existing hypothesis stating that the first multicellular animals resembling
Phyla-Vell Phyla later appeared during "Annihilation" where she had been visiting her father's grave with Moondragon when the pair were attacked by Thanos who ripped off Moondragon's ear and gave it to Phyla, telling her to go to Drax the Destroyer and how his actions would determine Moondragon's fate shortly before teleporting away with Moondragon. Drax has indicated he will not be stopping his pursuit of Thanos. Phyla then goes with Nova and Star-Lord to lead a final battle against Annihilus, being saved at the last second by a massive energy wave caused by the just freed Galactus, which left only