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Amphioxus

Pronunciation: am′fē-ok′sŭs

Definition: A genus of small, translucent, fishlike chordates found in warm marine waters. Members are structurally similar to vertebrates in having a notochord, gills, digestive tract, and nerve cord, but they lack paired fins, vertebrae, ribs, or a skull Branchiostoma lanceolatum.

[amphi- + G. oxys, sharp]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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