"lancelet." YourDictionary, n.d. Web. 15 October 2018. <http://www.yourdictionary.com/lancelet>.
lancelet. (n.d.). Retrieved October 15th, 2018, from http://www.yourdictionary.com/lancelet
Any of various small chordate marine organisms of the subphylum Cephalochordata, having a long thin body with a notochord but no cranium or vertebrae, and usually found buried in sand. Also called amphioxus . Also called cephalochordate .