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more about amphioxus
amphioxus |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Amphioxus \Am`phi*ox"us\, n. [NL., fr Gr ? + ? sharp.] (Zo["o]l.) 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, vertebr[ae], nor red blood. It forms the type of the group {Acrania}, {Leptocardia}, etc From WordNet r 1.6 [wn]: amphioxus n : small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates [syn: {lancelet}]
more about amphioxus
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