Agnathan Definition

ăgnə-thən

noun

Any of various fishes lacking jaws, including the hagfishes and the lampreys and many extinct groups, such as the ostracoderms.

American Heritage Medicine

(zoology) A member of the superclass Agnatha of jawless vertebrates.

Wiktionary

Synonyms:

adjective

Lacking a jaw.

American Heritage Science

(zoology) Belonging or pertaining to the superclass Agnatha, the jawless vertebrates.

Wiktionary

other

Wiktionary

Wiktionary

Other Word Forms of Agnathan

Singular:

agnathan

Plural:

agnathans

From Agnatha, from Ancient Greek á¼€- (a-, “without") + γνάθος (gnathos, “jaw")

From Wiktionary
a– Greek gnathos jaw genu-² in Indo-European roots –an

From American Heritage Dictionary of the English Language, 5th Edition

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