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
What Have You Done What Have You Done "What Have You Done" is the first single from Dutch symphonic metal and rock band Within Temptation's fourth studio album "The Heart of Everything" (2007). The song features guest vocals from Life of Agony's lead singer Mina Caputo (then known as Keith Caputo) and it was released as the album's first single in early 2007 (see 2007 in music). It became their first charting single in Canada and in the United States. A new edit and version of the song was released in the US through iTunes on 26 June 2007. There are two music videos