Agnatha

Etymology
From +.

Proper noun

 * 1) The jawless fishes, or agnathans; they have backbones and skulls like the scaly fishes, and like reptiles, mammals and other vertebrates on land, but they do not have paired jaws like humans or sharks; instead their mouthparts are round; they suck onto their prey or food and rasp away bits that they then swallow.

Hypernyms

 * ; - clade
 * ; - subphylum

Hyponyms

 * , †, † - classes

Descendants

 * agnatha
 * agnathan