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lancelet
[ lans-lit, lahns- ]
noun
- any of several small, lancet-shaped burrowing marine animals of the subphylum Cephalochordata, having a notochord and bearing structural similarities to both vertebrates and invertebrates.
lancelet
/ ˈ±ôɑ˲Բõ±ôɪ³Ù /
noun
- any of several marine animals of the genus Branchiostoma (formerly Amphioxus ), esp B. lanceolatus, that are closely related to the vertebrates: subphylum Cephalochordata (cephalochordates) Also calledamphioxus
lancelet
/ ±ôă²Ô²õ′±ôij٠/
- Any of various small, transparent, fishlike marine organisms of the subphylum Cephalochordata that are related to vertebrates but have a notochord instead of a true backbone. Unlike other primitive chordates, lancelets have a body divided into serially repeated muscular segments.
- Also called amphioxus
˜yÐÄvlog History and Origins
˜yÐÄvlog History and Origins
Origin of lancelet1
Example Sentences
Along with tunicates and lancelets, these include hagfish, lampreys and marine worms called hemichordates.
Now, he hopes researchers can study more distant relatives, including invertebrates like lancelets and acorn worms, to learn about the evolution of the spinal chord.
A few living invertebrates, such as worm-like animals called lancelets, are closely related to vertebrates, but our ancestors split off from theirs more than 600 million years ago.
Aglow under the sea In 2007, a different group of researchers found a fluorescent protein in the lancelet, a tiny somewhat eel-like marine creature closely related to vertebrates.
The lancelet, one of the closest living vertebrate cousins, gets by with only one.
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