Category:Agnatha
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Agnatha, the jawless vertebrates was formerly a superclass of jawless fishes. Most species are prehistoric or extinct, however there are about 60 modern species in the Agnaths superclass, divided into two classes:
Class Myxini (family Myxinidae) - the hagfish
Class Cephalaspidomorphi or (disputed) Hyperoartia - the lampreys
Subcategories
This category has the following 2 subcategories, out of 2 total.
