Chordate of the three subdivisions of chordates, all have distinct skulls. They include the hagfish, which have no vertebrae. Michael J. Benton commented that "craniates are characterized by their heads, just as chordates, or possibly all deuterostomes, are by their tails". Most craniates are vertebrates, in which the notochord is replaced by the vertebral column. These consist of a series of bony or cartilaginous cylindrical vertebrae, generally with neural arches that protect the spinal cord, and with projections that link the vertebrae. However hagfish have incomplete braincases and no vertebrae, and are therefore not regarded as vertebrates, but as members of
Stay What You Are By March 2002, the album had sold over 120,000 copies, becoming one of Vagrant's best-selling releases. "Stay What You Are" reached number 100 on the "Billboard" 200 albums chart. In the years since its release, "Stay What You Are" is widely regarded as a classic and a highly influential piece of music for the emo and pop punk genres. "NME" listed the album as one of "20 Emo Albums That Have Resolutely Stood The Test Of Time". Similarly, "Houston Press" included the listed the album as one of the best emo albums of 2001–2005. "Paste" included the video for "At