Agnatha

[ ag-nuh-thuh ]

/ ˈæg nə θə /

Save This Word!

noun

the class of vertebrates comprising the lampreys, hagfishes, and several extinct forms, having no jaws or paired appendages.

QUIZ

QUIZ YOURSELF ON "IS" VS. "ARE"

"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."

Question 1 of 7

IS and ARE are both forms of which verb?

Origin of Agnatha

1875–80; <New Latin, equivalent to Greek a-a-⁶ + -gnatha, neuter plural of -gnathos-gnathous

Radula with elongated and pointed teeth, like those of the Agnatha; a jaw present.
Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5|Various