Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:species
|
| gptkbp:characteristic |
bony head shield
cartilaginous skeleton lack jaws |
| gptkbp:commonName |
jawless fish
|
| gptkbp:describedBy |
gptkb:Edward_Drinker_Cope
|
| gptkbp:extinct |
yes
|
| gptkbp:fossilRange |
Early Silurian to Devonian
|
| https://www.w3.org/2000/01/rdf-schema#label |
Cephalaspidomorphi
|
| gptkbp:kingdom |
gptkb:Animalia
|
| gptkbp:lampreysIncluded |
sometimes
|
| gptkbp:notableMember |
gptkb:Anaspida
gptkb:Galeaspida gptkb:Osteostraci |
| gptkbp:phylum |
gptkb:Chordata
|
| gptkbp:rank |
gptkb:class
|
| gptkbp:relatedTo |
gptkb:Cyclostomata
gptkb:Ostracodermi |
| gptkbp:subfamily |
gptkb:Vertebrata
|
| gptkbp:bfsParent |
gptkb:Chordata
|
| gptkbp:bfsLayer |
4
|