Associations to the word «Agnatha»

Wiktionary

AGNATHA, noun. An agnathan.
AGNATHA, proper noun. A taxonomic superclass within the subphylum Vertebrata   — the jawless fishes, or agnathans.

Dictionary definition

AGNATHA, noun. Superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms.

Wise words

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.