amphioxus: see lancelet lancelet, name for small, fishlike lower chordate (see Chordata), also called amphioxus; it shows many affinities with the vertebrates. There are about 30 lancelet species, most belonging to the genus Brachiostoma (formerly Amphioxus).
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amphioxus

or lancelet

Any of certain small marine chordates (invertebrate subphylum Cephalochordata) found widely on tropical and subtropical coasts and less commonly in temperate waters. Seldom more than 3 in. (8 cm) long, they resemble small, slender fishes without eyes or a definite head. They are grouped in several species in two genera (Branchiostoma or Amphioxus, and Epigonichthyes or Asymmetron). They spend much of their time buried in gravel or mud on the ocean bottom, though they are able to swim, and feed by filtering food particles from water passing through their gill slits. They have no brain or distinct heart.

amphioxus [‚am·fē′äk·səs]

(zoology)

Former designation for the lancelet,Branchiostoma.

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No references found	amphidetic amphidiploid Amphidiscophora Amphidiscosa amphidromic amphidromic point amphidromic region amphigastrium amphigean amphigene Amphilestidae Amphilinidea Amphilochus Amphimallon Solstitiale Amphimerycidae Amphimerycoidea amphimixis Amphimonadidae amphimorphic Amphineura Amphinomidae Amphinomorpha Amphion Amphion and Zethus amphioxus amphioxuses amphipathic molecule amphiphile amphiphilic amphiphloic amphiphyte amphiplatyan amphipneustic Amphipoda amphipodous Amphipolis amphiprostyle amphiprotic amphisapropel amphisarca Amphisbaena Amphisbaenidae Amphisopidae amphispore Amphissa Amphissitidae Amphistaenidae amphistome amphistylar amphistylic amphitene	Amphimallon Solstitiale Amphimerus Amphimerycidae Amphimerycoidea amphimictic amphimictic amphimictic amphimixes amphimixes amphimixes amphimixis amphimixis amphimixis Amphimonadidae amphimorphic Amphineura Amphineura Amphinomidae amphinomids Amphinomorpha Amphion Amphion Amphion and Zethos Amphion and Zethôs Amphion and Zêthos Amphion and Zethus Amphion and Zethus Amphioxidae amphioxus amphioxus amphioxuses Amphipathic Amphipathic Amphipathic Amphipathic Helix amphipathic molecule Amphiphile Amphiphile Amphiphile Amphiphiles amphiphilic amphiphilic amphiphilic Amphiphilic Cholesteric Liquid Crystal Amphiphilicity amphiphloic Amphiphysin amphiphyte amphiplatyan Amphipneust amphipneustic amphipod amphipod Amphipoda Amphipoda Amphipodous Amphipodous Amphipods Amphipods Amphipolis Amphiprion

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amphioxus (redirected from amphioxuses)

amphioxus

amphioxus
(redirected from amphioxuses)