Holocephali
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Scientific name | Holocephali |
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Class | Chondrichthyes |
Phylum | Chordata |
Rank | Subclass |
Higher classification | Cartilaginous fishes |
Date of Reg. | |
Date of Upd. | |
ID | 2396395 |
About Holocephali
The subclass Holocephali is a taxon of cartilaginous fish in the class Chondrichthyes. The earliest fossils are of teeth and come from the Devonian period. Little is known about these primitive forms, and the only surviving group in the subclass is the order Chimaeriformes.