Baylisascaris procyonis

http://www.cdc.gov/ncidod/EID/13/1/images/06-0966_b.jpg

Baylisascaris procyonis is a large parasitic roundworm that is part of the phylum Nematoda in the kingdom Animalia.  It lives in the intestine of raccoons, their definitive host and although it doesn't cause any harm to the raccoons it can on occasion cause some very severe pathology to more then ninety animal species including humans.  So if you would like to learn more about B. procyonis begin by following the links on the left; lets start with classification.