branchiostoma amphioxus

listen to the pronunciation of branchiostoma amphioxus
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lancelet
It is the type of the class Leptocardia
A small fishlike animal (Amphioxus lanceolatus), remarkable for the rudimentary condition of its organs
See Amphioxus, Leptocardia
any of a group of primitive marine animals, of subphylum Cephalochordata, having a notochord instead of a backbone
small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates
{i} any of a number of small fish-like marine animals that burrow into the ocean floor