What does jawless mean?
Definitions for jawless
jaw·less
This dictionary definitions page includes all the possible meanings, example usage and translations of the word jawless.
Princeton's WordNet
jawlessadjective
of animals having no jaw
Wiktionary
jawlessadjective
Lacking a jaw.
Wikipedia
jawless
Agnatha (, Ancient Greek ἀ-γνάθος 'without jaws') is an infraphylum of jawless fish in the phylum Chordata, subphylum Vertebrata, consisting of both present (cyclostomes) and extinct (conodonts and ostracoderms) species. Among recent animals, cyclostomes are sister to all vertebrates with jaws, known as gnathostomes.Recent molecular data, both from rRNA and from mtDNA as well as embryological data, strongly supports the hypothesis that living agnathans, the cyclostomes, are monophyletic.The oldest fossil agnathans appeared in the Cambrian, and two groups still survive today: the lampreys and the hagfish, comprising about 120 species in total. Hagfish are considered members of the subphylum Vertebrata, because they secondarily lost vertebrae; before this event was inferred from molecular and developmental data, the group Craniata was created by Linnaeus (and is still sometimes used as a strictly morphological descriptor) to reference hagfish plus vertebrates. While a few scientists still regard the living agnathans as only superficially similar, and argue that many of these similarities are probably shared basal characteristics of ancient vertebrates, recent taxonomic studies clearly place hagfish (the Myxini or Hyperotreti) with the lampreys (Hyperoartii) as being more closely related to each other than either is to the jawed fishes.
ChatGPT
jawless
Jawless refers to a type of creature or organism that does not have a jaw. This could be a type of fish, such as a lamprey or hagfish, which are some of the only existing types of jawless fish. Jawless creatures may feed and ingest food in ways different than species with jaws. The term is often used in the context of evolutionary biology, as jaws are thought to have evolved from earlier, jawless forms of life.
Usage in printed sourcesFrom:
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Numerology
Chaldean Numerology
The numerical value of jawless in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of jawless in Pythagorean Numerology is: 8
Translations for jawless
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"jawless." Definitions.net. STANDS4 LLC, 2024. Web. 23 Dec. 2024. <https://www.definitions.net/definition/jawless>.
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