Taenia crassiceps
 Taenia crassiceps is a parasitic organism and is a member of the Taenia genus. It is a tapeworm. It is related to Taenia solium the pork tapeworm and to Taenia saginata the beef tapeworm. It is commonly found throughout Canada and the northern US.The parasites begin its life in an intestine of a wild canine like a wolf. Inside the wolf the tapeworm reproduces. Its eggs are passed in the wolf feces and is eaten by a rat.