User:Gariet/sandbox

http://www.newworldencyclopedia.org/entry/Cephalochordata Link for Cephalochordate page. Sparrow Group: Circulatory System
 * Focus on feeding (filter feeding)
 * Improve mention of missing "hard parts" (vertebral column and backbone) in relation to other vertebrates
 * Improve images, particularly in regards to physical structures (in previously mentioned link there is an amazing picture under section labelled physical features.)
 * Maybe mention other species which fall under the Cephalochordate spectrum.