Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
jawless fish
extinct order |
| gptkbp:characteristic |
no jaws
paired pectoral fins |
| gptkbp:class |
gptkb:Osteostraci
|
| gptkbp:commonName |
gptkb:cephalaspids
|
| gptkbp:extinct |
yes
|
| gptkbp:firstDescribed |
gptkb:Louis_Agassiz
1835 |
| gptkbp:fossilRange |
gptkb:Devonian
gptkb:Silurian |
| https://www.w3.org/2000/01/rdf-schema#label |
Cephalaspida
|
| gptkbp:kingdom |
gptkb:Animalia
|
| gptkbp:notableFeature |
dorsoventrally flattened body
armored head shield |
| gptkbp:phylum |
gptkb:Chordata
|
| gptkbp:relatedTo |
gptkb:Osteostraci
gptkb:Pteraspidomorphi |
| gptkbp:residesIn |
marine environments
freshwater environments |
| gptkbp:typeSpecies |
gptkb:Cephalaspis_lyelli
|
| gptkbp:bfsParent |
gptkb:Ostracodermi
|
| gptkbp:bfsLayer |
6
|