'Amphioxus lanceolatus' definitions:

Definition of 'Amphioxus lanceolatus'

From: GCIDE

Lancelet \Lance"let\, n. [Lance + -let.] (Zool.) A small fishlike animal (Amphioxus lanceolatus), remarkable for the rudimentary condition of its organs. It is the type of the class Leptocardia. See Amphioxus, Leptocardia. [1913 Webster]