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lancelet    音标拼音: [l'ænslət]
n. 蜗蝓鱼

蜗蝓鱼

lancelet
n 1: small translucent lancet-shaped burrowing marine animal;
primitive forerunner of the vertebrates [synonym: {lancelet},
{amphioxus}]


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  • Lancelet - Wikipedia
    The term "amphioxus" is still used as a common name along with "lancelet", especially in the English language All extant lancelets are all placed in the family Branchiostomatidae, class Leptocardii, and subphylum Cephalochordata
  • Lancelet - Shape, Examples, Characteristics, Anatomy, Classification
    Lancelets, or amphioxi, are tiny, fish-like marine organisms that belong to the subphylum Cephalochordata, in the class Leptocardii They get their name ‘lancelets’ due to their slender, elongated body that tapers to a point at both ends, resembling the shape of a tiny sword or lance
  • The Lancet | The best science for better lives
    Explore the latest high-quality research from The Lancet Group
  • Introduction to the Cephalochordata
    Known as lancelets or as amphioxus (from the Greek for "both [ends] pointed," in reference to their shape), cephalochordates are small, eel-like, unprepossessing animals that spend much of their time buried in sand
  • Natural History, Features Evolution - Britannica
    Adult lancelets reach a length of about six to seven centimetres (2 5 inches) There is little structural diversity within the group, the main difference between the two families being the restriction of the gonads to one side of the body in Epigonichthys
  • What Are Lancelets and Why Are They Important?
    Lancelets are suspension feeders, filtering small particles from the water They use cilia, hair-like structures, that line their pharyngeal slits and oral hood to create a water current This current draws water, along with small organisms and organic debris, into their mouth
  • A Lancelet (Branchiostoma) swims with the fish and crabs at night
    Underwater footage taken in Tampa Bay, Florida I would like to thank my friends Dave and Tom with their help identifying the Branchiostoma
  • Lancelet | Encyclopedia. com
    lancelet, name for small, fishlike lower chordate (see Chordata [1]), also called amphioxus; it shows many affinities with the vertebrates There are about 30 lancelet species, most belonging to the genus Brachiostoma (formerly Amphioxus)
  • Lancelet - Alchetron, The Free Social Encyclopedia
    The lancelets — also known as amphioxi (singular, amphioxus) — comprise some 32 species of fish-like marine chordates in the order Amphioxiformes, with a global distribution in shallow temperate (as far north as Scotland) and tropical seas, usually found half-buried in sand
  • Lancelet (Branchiostoma lanceolatum) - MarLIN - The Marine Life . . .
    The lancelet Branchiostoma lanceolatum is spindle-shaped and pointed at both ends The body is segmented and flattened dorsoventrally with a membranous flipper along the dorsal side





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