Statements (21)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:state_order
|
gptkbp:class |
gptkb:Pteraspidomorphi
|
gptkbp:distribution |
gptkb:Europe
gptkb:North_America gptkb:Russia |
gptkbp:extinct |
true
|
gptkbp:firstDescribed |
1859
|
gptkbp:fossilRange |
Early Silurian to Late Devonian
|
gptkbp:habitat |
gptkb:marine
|
https://www.w3.org/2000/01/rdf-schema#label |
Pteraspidiformes
|
gptkbp:kingdom |
gptkb:Animalia
|
gptkbp:notableFeature |
armored head shields
|
gptkbp:notableGenus |
gptkb:Pteraspis
Doryaspis Errivaspis Rhinopteraspis |
gptkbp:phylum |
gptkb:Chordata
|
gptkbp:subclassOf |
gptkb:Heterostraci
|
gptkbp:type |
jawless fish
|
gptkbp:bfsParent |
gptkb:Heterostraci
|
gptkbp:bfsLayer |
6
|