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Agnatha

Syllabification: (Ag·na·tha)
Pronunciation: /ˈagnəTHə/
Zoology
Definition of Agnatha
  • a group of primitive jawless vertebrates that includes the lampreys, hagfishes, and many fossil fishlike forms. Compare with cyclostome.
    • Superclass Agnatha: the living forms are in the classes Myxini (hagfishes) and Cephalaspidomorphi (lampreys)

Derivatives

agnathan

noun & adjective

Origin:

from modern Latin Agnatha (superclass name), from a-1 'without' + Greek gnathos 'jaw'

Agnatha in other Oxford dictionaries

Definition of Agnatha in the British & World English dictionary
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