Animal mesoderm forms by enterocoelic pouching, through invagination of the endoderm. The main deuterostome phyla are the Echinodermata and the Chordata. Echinoderms are exclusively marine and include starfish, sea urchins, and sea cucumbers. The chordates are dominated by the vertebrates (animals with backbones), which consist of fishes, amphibians, reptiles, birds, and mammals. The deuterostomes also include the Hemichordata (acorn worms). The Ecdysozoa are protostomes, named after their shared trait of ecdysis, growth by moulting. They include the largest animal phylum, the Arthropoda, which contains insects, spiders, crabs, and their kin. All of these have a body divided into repeating segments, typically
Phyla-Vell Phyla-Vell revealed that her deal with Oblivion was to kill "the Avatar of Life" and she'd know what to do when the time came. Knowing he would now become Magus, she ran Adam through but this failed to stop his transformation. Several of the Guardians, then stranded in the year 3009, were then sent back in time to stop Magus' creation and Phyla was prevented from making her move. This time when Warlock was transformed, she engaged him in combat - but Magus magically teleported her own sword from her hands and slew her with it. However, Phyla was revealed