Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
extinct order of jawless fishes
|
| gptkbp:class |
gptkb:Pteraspidomorphi
|
| gptkbp:containsFamily |
Ariaspidae
Ctenaspidae Cyathaspididae Poraspididae |
| gptkbp:describedBy |
gptkb:Traquair
|
| gptkbp:describedYear |
1899
|
| gptkbp:endangeredStatus |
extinct
|
| gptkbp:fossilRange |
Silurian to Devonian
|
| https://www.w3.org/2000/01/rdf-schema#label |
Cyathaspidiformes
|
| gptkbp:kingdom |
gptkb:Animalia
|
| gptkbp:notableFeature |
jawless
armored head shields |
| gptkbp:phylum |
gptkb:Chordata
|
| gptkbp:relatedTo |
gptkb:Heterostraci
|
| gptkbp:residesIn |
marine environments
|
| gptkbp:subclassOf |
gptkb:Heterostraci
|
| gptkbp:typeSpecies |
Cyathaspis ludensis
|
| gptkbp:bfsParent |
gptkb:Heterostraci
|
| gptkbp:bfsLayer |
6
|