Agnatha

Definition from Wiktionary, the free dictionary
Jump to: navigation, search
See also: agnatha

Translingual[edit]

Agnatha, such as this lamprey, are distinguished by the lack of a jaw.

Etymology[edit]

From Ancient Greek ἀ- ‎(a-, without) + γνάθος ‎(gnáthos, jaw).

Proper noun[edit]

Agnatha

  1. The jawless fishes, or agnathans
    1. A taxonomic superclass within the subphylum Vertebrata.
      • 1889, Edward Drinker Cope, "Synopsis of the Families of Vertebrata", The American Naturalist, volume 23, page 852:
        The known members of the class Agnatha are a very small representation of those that once existed; and they present a great variety of character, having little affinity with each other.
      • 2007, Chad Thomas et al., Freshwater Fishes of Texas, Texas A&M University Press, page 6:
        Current classification schemes have living fishes assigned to two superclasses (Agnatha, or jawless chordates, and Gnathostomata, or jawed chordates)[…].
    2. A taxonomic infraphylum within the subphylum Vertebrata.

Hypernyms[edit]

Hyponyms[edit]

Hyponyms[edit]

Coordinate terms[edit]

Descendants[edit]

External links[edit]