- Without jawsAgnatha is a term that means without jaws12. It refers to a group of jawless fish in the phylum Chordata, subphylum Vertebrata234. Agnatha includes both living (cyclostomes) and extinct (conodonts and ostracoderms) species2. Some examples of agnathans are lampreys, hagfishes, and eel-shaped chordates34.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.Agnatha plural noun Ag·na·tha ˈag-nə-thə 1 : a superclass or other division of Vertebrata comprising those without jaws compare gnathostomata 2 : a group of carnivorous air-breathing snails without jawswww.merriam-webster.com/dictionary/AgnathaAgnatha (/ ˈæɡnəθə, æɡˈneɪθə /; from Ancient Greek ἀ- (a-) 'without', and γνάθος (gnáthos) 'jaws') is an infraphylum of jawless fish in the phylum Chordata, subphylum Vertebrata, consisting of both present (cyclostomes) and extinct (conodonts and ostracoderms) species.en.wikipedia.org/wiki/AgnathaAgnatha - superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct formswww.thefreedictionary.com/Agnatha
Agnathan, (superclass Agnatha), any member of the group of primitive jawless fishes that includes the lampreys (order Petromyzoniformes), hagfishes (order Myxiniformes), and several extinct groups. Lamprey ( Lampetra) on rainbow trout.
www.britannica.com/animal/agnathan - People also ask
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nounzoologyAgnatha (plural noun)- a group of primitive jawless vertebrates which includes the lampreys, hagfishes, and many fossil fishlike forms. Compare with cyclostome.
Originfrom modern Latin Agnatha, from a- ‘without’ + Greek gnathos ‘jaw’. Agnathan | Definition, Characteristics, Habitat, …
WEBAgnathan, (superclass Agnatha), any member of the group of primitive jawless fishes that includes the lampreys (order Petromyzoniformes), hagfishes (order Myxiniformes), and several extinct groups.
Jawless Fishes | Biology for Majors II - Lumen Learning
WEBJawless fishes (Agnatha) are ancient vertebrates that lack jaws and paired fins. They include hagfishes and lampreys, which have different life cycles, habitats, and adaptations.
Agnatha Definition & Meaning - Merriam-Webster
WEBThe meaning of AGNATHA is a superclass or other division of Vertebrata comprising those without jaws.
Agnatha - New World Encyclopedia
WEBAgnatha (Greek, "no jaws"), often considered a superclass within the subphylum Vertebrata, comprises the jawless fish—the oldest known vertebrates. The two extant groups of jawless fish (sometimes called …
29.2A: Agnathans- Jawless Fishes - Biology LibreTexts
WEBJawless fishes or agnathans are craniates that represent an ancient vertebrate lineage that arose over one half-billion years ago. “Gnathos” is Greek for “jaw” and the prefix “a” …
Agnatha - Characteristics, Classification, Morphology, …
WEBApr 12, 2024 · The Agnatha, meaning “without jaws,” is a superclass of jawless fish within the phylum Chordata and subphylum Vertebrata. It encompasses both living species, …
Agnathans | Encyclopedia.com
WEBMay 29, 2018 · Agnatha (Marsipobranchii; phylum Chordata, subphylum Vertebrata) A superclass of jawless, fish-like vertebrates that have sucker-like mouths and lack …
Agnatha - Oxford Reference
WEBQuick Reference. (phylum Chordata, subphylum Vertebrata) Superclass of jawless, fish-like vertebrates, with sucker-like mouths, including the extant lampreys, slime-eels and …
Agnathan - Evolution, Classification, Jawless | Britannica
WEBAgnathan - Evolution, Classification, Jawless: Superclass Agnatha have fossils dating from the Ordovician Period, and are distinguishable from the other craniates by their lack of …
