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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Lance·let n.  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.
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From: Webster's Revised Unabridged Dictionary (1913)

 Am·phi·ox·us n.  Zool. A fishlike creature (Amphioxus lanceolatus), two or three inches long, found in temperature seas; -- also called the lancelet. Its body is pointed at both ends. It is the lowest and most generalized of the vertebrates, having neither brain, skull, vertebræ, nor red blood. It forms the type of the group Acrania, Leptocardia, etc.
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