Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:genus
extinct jawless fish |
| gptkbp:class |
gptkb:Anaspida
|
| gptkbp:coveredBy |
small scales
|
| gptkbp:extinct |
yes
|
| gptkbp:family |
gptkb:Birkeniidae
|
| gptkbp:firstDescribed |
gptkb:Traquair
1898 |
| gptkbp:fossilRange |
gptkb:Silurian
|
| gptkbp:foundIn |
gptkb:Scotland
|
| https://www.w3.org/2000/01/rdf-schema#label |
Birkenia
|
| gptkbp:kingdom |
gptkb:Animalia
|
| gptkbp:notableFor |
one of the earliest known vertebrates with paired fins absent
|
| gptkbp:order |
gptkb:Birkeniiformes
|
| gptkbp:phylum |
gptkb:Chordata
|
| gptkbp:residesIn |
gptkb:Silurian_period
|
| gptkbp:shape |
elongated
|
| gptkbp:typeSpecies |
gptkb:Birkenia_elegans
|
| gptkbp:bfsParent |
gptkb:Anaspida
|
| gptkbp:bfsLayer |
6
|