Definition of Class Placodermi
1. Noun. Extinct group of bony-plated fishes with primitive jaws.
Group relationships: Craniata, Subphylum Craniata, Subphylum Vertebrata, Vertebrata
Member holonyms: Placoderm
Generic synonyms: Class
Class Placodermi Pictures
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Literary usage of Class Placodermi
Below you will find example usage of this term as found in modern and/or classical literature:
1. Class-book of Geology by Archibald Geikie (1903)
"... but they have been regarded by some authors as true fishes, and placed in the sub-class Placodermi. PISCES, fishes—The parts most likely to be preserved ..."