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 encounter Maelstrom and the Dragon of the Moon. After losing the Quantum Bands to Maelstrom Phyla is offered as a sacrifice to the Dragon so that Maelstrom can be in its good graces. While inside the dragon she apparently makes a deal in exchange for Heather Douglas. The dragon then releases them, with Phyla wearing a new red and black costume adorned with skulls and wielding a new sword, and they return to the world of the living where Phyla refuses to elaborate on the deal that she made with the Dragon. It is later learned from Maelstrom that she