jawless fish

noun

Definition of jawless fish

: any of the taxonomic group (Agnatha) of primitive vertebrates without jaws including cyclostomes and extinct related forms — compare bony fish, cartilaginous fish

Examples of jawless fish in a Sentence

Recent Examples on the Web So Holmes and his colleagues looked at nearly 190 creatures in other vertebrate classes — from jawless fish such as lampreys, which have changed little from their evolutionary ancestors, to reptiles such as turtles. Giorgia Guglielmi, Scientific American, "Huge Trove of Unknown Viruses Found in Fish, Frogs and Reptiles," 5 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'jawless fish.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of jawless fish

circa 1941, in the meaning defined above

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The first known use of jawless fish was circa 1941

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Cite this Entry

“Jawless fish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jawless%20fish. Accessed 7 Aug. 2020.

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