Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:genus
|
| gptkbp:bodyPlan |
dorsal nerve cord
notochord segmented body |
| gptkbp:class |
gptkb:Cephalochordata
|
| gptkbp:describedBy |
gptkb:Charles_Doolittle_Walcott
|
| gptkbp:describedYear |
1911
|
| gptkbp:diet |
likely detritivore
|
| gptkbp:discoveredIn |
gptkb:Burgess_Shale
|
| gptkbp:extinct |
yes
|
| gptkbp:fossilRange |
gptkb:Middle_Cambrian
|
| gptkbp:importantFor |
possible ancestor of vertebrates
|
| gptkbp:kingdom |
gptkb:Animalia
|
| gptkbp:length |
about 4 cm
|
| gptkbp:movement |
swimming
|
| gptkbp:notableSite |
gptkb:Canada
|
| gptkbp:phylum |
gptkb:Chordata
|
| gptkbp:significance |
one of the earliest known chordates
|
| gptkbp:typeSpecies |
gptkb:Pikaia_gracilens
|
| gptkbp:bfsParent |
gptkb:Burgess_Shale
|
| gptkbp:bfsLayer |
5
|
| https://www.w3.org/2000/01/rdf-schema#label |
Pikaia
|