gptkbp:instanceOf
|
extinct class of jawless fish
|
gptkbp:bodyCovering
|
bony armor
|
gptkbp:class
|
gptkb:Galeaspida
|
gptkbp:describedBy
|
Liu, 1965
|
gptkbp:diet
|
filter feeder
detritivore
|
gptkbp:distinctiveFeature
|
absence of paired fins
dorsal and ventral shields
median dorsal opening for nostrils and eyes
|
gptkbp:distribution
|
gptkb:East_Asia
|
gptkbp:dividedInto
|
several families
|
gptkbp:endangeredStatus
|
extinct
|
gptkbp:firstAppearance
|
gptkb:Silurian_period
|
gptkbp:fossilRange
|
gptkb:Devonian
gptkb:Silurian
|
gptkbp:foundIn
|
gptkb:China
gptkb:Laos
gptkb:Vietnam
|
gptkbp:habitat
|
gptkb:marine
freshwater
|
https://www.w3.org/2000/01/rdf-schema#label
|
Galeaspida
|
gptkbp:importantFor
|
key to understanding early vertebrate evolution
|
gptkbp:kingdom
|
gptkb:Animalia
|
gptkbp:lastAppearance
|
gptkb:Devonian_period
|
gptkbp:notableFeature
|
jawless
gill openings on ventral side
head shield with a single median opening
|
gptkbp:notableGenus
|
gptkb:Dunyu
gptkb:Eugaleaspis
gptkb:Huananaspis
gptkb:Nanjiangaspis
gptkb:Yunnanogaleaspis
Shuyu
|
gptkbp:phylum
|
gptkb:Chordata
|
gptkbp:range
|
small to medium
|
gptkbp:relatedTo
|
gptkb:Osteostraci
gptkb:Heterostraci
|
gptkbp:reproduction
|
unknown
|
gptkbp:subfamily
|
gptkb:Vertebrata
|
gptkbp:typeSpecies
|
gptkb:Galeaspis_minor
|
gptkbp:bfsParent
|
gptkb:Cephalaspidomorphi
|
gptkbp:bfsLayer
|
5
|