Definitions for: Amphioxus

[n] small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates

Webster (1913) Definition: 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.

Synonyms: lancelet

See Also: cephalochordate, genus Amphioxus

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