Definition of Class Placodermi

1. Noun. Extinct group of bony-plated fishes with primitive jaws.

Exact synonyms: Placodermi
Group relationships: Craniata, Subphylum Craniata, Subphylum Vertebrata, Vertebrata
Member holonyms: Placoderm
Generic synonyms: Class

Class Placodermi Pictures

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Lexicographical Neighbors of Class Placodermi

class Monocotyledones
class Musci
class Myriapoda
class Myxomycetes
class Nuda
class Oligochaeta
class Onychophora
class Oomycetes
class Ophiuroidea
class Osteichthyes
class Pauropoda
class Pelecypoda
class Phaeophyceae
class Phasmidia
class Pinopsida
class Placodermi (current term)
class Plectomycetes
class Polychaeta
class Polyplacophora
class Psilopsida
class Psilotatae
class Pteridospermopsida
class Pyrenomycetes
class Reptilia
class Rhodophyceae
class Sarcodina
class Scaphopoda
class Schizomycetes
class Scyphozoa
class Sphenopsida

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 ..."

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