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
Animals, Animals, Animals years and the Peabody Award. 1978 Emmy Award for Outstanding Children's Informational Series. Animated segments were provided by Al Lowenheim, Arland Barron, Jeff Melquist, Jim Comstock, Ray Pointer, and Stacey Mann of Lions' Den Studio and David Labelle of David Labelle Animation Studios. Five years later, in 1981, "Animals, Animals, Animals" was replaced by "This Week with David Brinkley"; this marked the end of ABC's scheduling of children's programming on Sunday mornings, a practice which began with "Discovery" (the predecessor to "Make a Wish") in the 1960s. Animals, Animals, Animals Animals, Animals, Animals is an educational television series on ABC