Craniate with well-defined heads, thus excluding members of the chordate subphyla Tunicata (tunicates) and Cephalochordata (lancelets), but including Myxini, which have cartilaginous skulls and tooth-like structures composed of keratin. Craniata also includes all lampreys and armoured jawless fishes, armoured fish, sharks, skates, and rays, and teleostomians: spiny sharks, bony fish, lissamphibians, temnospondyls and protoreptiles, sauropsids and mammals. The craniate head consists of a brain, sense organs, including eyes, and a skull. In addition to distinct crania (sing. "cranium"), craniates possess many derived characteristics, which have allowed for more complexity to follow. Molecular-genetic analysis of craniates reveals that, compared to less complex
The Lives of Animals of Animals" appears again in Coetzee's novel "Elizabeth Costello" (2003). Coetzee's novella discusses the foundations of morality, the need of human beings to imitate one another, to want what others want, leading to violence and a parallel need to scapegoat non-humans. He appeals to an ethic of sympathy, not rationality, in our treatment of animals, to literature and the poets, not philosophy. Costello tells her audience: "Sympathy has everything to do with the subject and little to do with the object ... There are people who have the capacity to imagine themselves as someone else, there are people who have