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Encyclopedia > Craniata
Craniata
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Subphylum: Craniata
Classes

Hyperotreti
Vertebrata

Craniata is a type of chordate animal group that contains vertebrates (vertebrata) and hagfish (Hyperotreti). It is defined as meaning all animals with skulls, from whence the name.


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Craniata (2764 words)
The Craniata, or craniates, include all animals having a skull (or cranium, hence their name), be it cartilaginous or bony.
The Craniata are characterized by a skull (initially cartilaginous and fibrous), which includes three types of sensory organs derived in ontogeny from ectodermal placodes; that is, thickened patches of the embryonic skin that sink inward toward the brain where they develop into sensory chambers.
Janvier, P. The phylogeny of the Craniata, with particular reference to the significance of fossil 'agnathans'.
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