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Temporal range: Early Cambrian - Recent
Pacific hagfish Myxine.jpg
Pacific hagfish resting on bottom down off Oregon coast.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
(unranked): Craniata
Janvier 1981

Cephalaspidomorphi (disputed)

Craniata (sometimes Craniota) is a proposed clade of chordate animals that contains the vertebrates (subphylum Vertebrata) and Myxini (hagfish) as living representatives. Craniata includes all animals with a skull, or cranium, as the name suggests.

These two taxa lack proper vertebrae, which are characteristic for vertebrates according to the new interpretation, whereas traditionally—and confusingly—they were not (Hickman et al., 2007).