the class of vertebrates comprising the lampreys, hagfishes, and several extinct forms, having no jaws or paired appendages.
Origin of Agnatha
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for agnatha
Historical Examples of agnatha
Radula with elongated and pointed teeth, like those of the Agnatha; a jaw present.