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
|