class Placodermi

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Noun

class Placodermi - extinct group of bony-plated fishes with primitive jaws

Placodermi

Craniata, subphylum Craniata, subphylum Vertebrata, Vertebrata - fishes; amphibians; reptiles; birds; mammals

placoderm - fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws

class - (biology) a taxonomic group containing one or more orders

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class Craniata placoderm Placodermi subphylum Craniata subphylum Vertebrata Vertebrata			class Lycopsida class Magnoliopsida class Mammalia class mark class Mastigophora Class meeting class Merostomata class Monocotyledonae class Monocotyledones class Musci class Myriapoda class Myxomycetes class Nuda Class of a curve class Oligochaeta class Onychophora class Oomycetes class Ophiuroidea class Osteichthyes class Pauropoda class Pelecypoda class period class Phaeophyceae class Phasmidia class Pinopsida class Placodermi 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 class Sporozoa class structure class struggle class Symphyla class Tardigrada class Taxopsida class Tentaculata class Thaliacea class Tiliomycetes class Trematoda class Turbellaria			Class of Service Override Class of Service Queues Class of Service restriction Class Of Service Table Class of Supply Consumption Model Class of Trade Class of Traffic class Oligochaeta class Onychophora class Oomycetes class Ophiuroidea Class Orientation With Class Oriented Ring Associated Language Class Oriented Ring Associated Language class Osteichthyes class P ballast class P ballast class P ballast class P ballast class P problems class Pauropoda class Pelecypoda class period class period class period class period class period class Phaeophyceae class Phasmidia class Pinopsida class Placodermi class Plectomycetes class Polychaeta class Polyplacophora Class Poppy Construction Kit Class Precedence List class prejudice class Psilopsida class Psilotatae class Pteridospermopsida class Pyrenomycetes Class Race Age Sex Handicap Class Ranks class recall Class representative class Reptilia Class Responsibility Collaborator class Rhodophyceae Class Roster File class S modulator class Sarcodina class Scaphopoda Class Schedule and Instructional Record class Schizomycetes class Scyphozoa

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