Endoskeleton three phyla and one subclass of animals, endoskeletons of various complexity are found: Chordata, Echinodermata, Porifera, and Coleoidea. An endoskeleton may function purely for support (as in the case of sponges), but often serves as an attachment site for muscle and a mechanism for transmitting muscular forces. A true endoskeleton is derived from mesodermal tissue. Such a skeleton is present in echinoderms and chordates. The poriferan 'skeleton' consists of microscopic calcareous or siliceous spicules or a spongin network. The Coleoidae do not have a true endoskeleton in the evolutionary sense; there, a mollusk exoskeleton evolved into several sorts of internal
Phyla-Vell part of her. Annihilation: Conquest - Quasar has been collected into trade paperbacks: Phyla-Vell Phyla-Vell is a fictional character, a comic book superhero appearing in American comic books published by Marvel Comics. She has gone by the names Quasar, Captain Marvel and Martyr. She was created by Peter David and Paul Azaceta in "Captain Marvel" (vol. 5) #16 (January 2004). Her name is derived from the scientific classification phylum, one of the levels of organization (taxons) for classifying life. This is a reference to the fact that her brother Genis-Vell's name comes from genus, one of the other classifications for