lancelet

American  

[lans-lit, lahns-] / ˈlæns lɪt, ˈlɑns- /

noun

1. 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.

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lancelet British  

/ ˈlɑːnslɪt /

noun

1. Also called: amphioxus. any of several marine animals of the genus Branchiostoma (formerly Amphioxus ), esp B. lanceolatus, that are closely related to the vertebrates: subphylum Cephalochordata (cephalochordates)

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lancelet Scientific  

/ lăns′lĭt /

1. 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.

2. Also called amphioxus

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Etymology

Origin of lancelet

First recorded in 1565–75; lance ² + -let

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Example Sentences

See Examples For:

lancelet

The lancelet branched off first, followed by the shark, then the frog, then the snake and then the ostrich.

From Textbooks ● Jun. 9, 2022

The lancelet is a chordate, fish-like filter feeder that buries itself in marine sands.

From Textbooks ● Jun. 9, 2022

In an alternative model, insects are included with lancelet and human in a superphylum called the Coelomata, and the nematode is separate.

From Textbooks ● Jun. 9, 2022

The lancelet branched off first, followed by the shark, then the ostrich, then the snake and then the frog.

From Textbooks ● Jun. 9, 2022

Into this the cerebral vesicle of the larval lancelet opens.

From Degeneracy Its Causes, Signs and Results by Eugene S. Talbot

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