amphioxus

listen to the pronunciation of amphioxus
İngilizce - İngilizce
small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates
{i} type of swordfish, lancelet
It forms the type of the group Acrania, Leptocardia, etc
A fishlike creature (Amphioxus lanceolatus), two or three inches long, found in temperature seas; also called the lancelet
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
It is the lowest and most generalized of the vertebrates, having neither brain, skull, vertebræ, nor red blood
Its body is pointed at both ends
The lancelet

İlgili Terimler

genus amphioxus
type genus of the Amphioxidae