|
gptkbp:instanceOf
|
extinct class of armored prehistoric fish
|
|
gptkbp:bodyPlan
|
distinct head and trunk armor
|
|
gptkbp:causeOfExtinction
|
gptkb:Devonian_extinction_event
|
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gptkbp:class
|
gptkb:Placodermi
|
|
gptkbp:diet
|
detritivorous
predatory
|
|
gptkbp:discoveredBy
|
gptkb:Louis_Agassiz
|
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gptkbp:discoveredIn
|
1830s
|
|
gptkbp:distribution
|
worldwide
|
|
gptkbp:extinct
|
end-Devonian extinction
|
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gptkbp:eyeProtection
|
bony rings around eyes
|
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gptkbp:firstAppearance
|
gptkb:Silurian_period
|
|
gptkbp:fossilRange
|
Silurian to Devonian
|
|
gptkbp:habitat
|
marine environments
freshwater environments
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Placoderms
|
|
gptkbp:importantFor
|
among the first jawed vertebrates
|
|
gptkbp:kingdom
|
gptkb:Animalia
|
|
gptkbp:notableFeature
|
paired fins
jaws
no true teeth
armored plates covering head and thorax
|
|
gptkbp:notableFor
|
gptkb:Petalichthyida
gptkb:Antiarchi
gptkb:Arthrodira
Phyllolepida
Rhenanida
|
|
gptkbp:notableGenus
|
gptkb:Coccosteus
gptkb:Bothriolepis
gptkb:Dunkleosteus
|
|
gptkbp:notableSite
|
gptkb:Scotland
gptkb:Gogo_Formation,_Australia
Cleveland Shale, USA
|
|
gptkbp:notableSpecies
|
gptkb:Bothriolepis_canadensis
gptkb:Dunkleosteus_terrelli
|
|
gptkbp:phylum
|
gptkb:Chordata
|
|
gptkbp:range
|
from a few centimeters to over 6 meters
|
|
gptkbp:relatedTo
|
modern jawed fishes (Gnathostomata)
|
|
gptkbp:reproduction
|
some showed evidence of internal fertilization
|
|
gptkbp:significance
|
early evolution of vertebrate jaws
|
|
gptkbp:skeletonType
|
cartilaginous with bony armor
|
|
gptkbp:subfamily
|
gptkb:Vertebrata
|
|
gptkbp:tailLength
|
heterocercal
|
|
gptkbp:bfsParent
|
gptkb:Ostracoderms
|
|
gptkbp:bfsLayer
|
5
|