Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
superclass of jawless fish
|
| gptkbp:characteristic |
cartilaginous skeleton
lack jaws no paired fins single nostril |
| gptkbp:class |
gptkb:fish
|
| gptkbp:distinctiveFeature |
keratinous teeth
round, sucker-like mouth absence of true vertebrae in hagfish |
| gptkbp:extant_groups |
gptkb:Petromyzontida
gptkb:Myxini |
| gptkbp:foragingBehavior |
many are parasitic
|
| gptkbp:fossil |
gptkb:Cambrian_period
|
| gptkbp:habitat |
gptkb:marine
freshwater |
| https://www.w3.org/2000/01/rdf-schema#label |
cyclostomes
|
| gptkbp:includes |
gptkb:hagfishes
lampreys |
| gptkbp:phylum |
gptkb:Chordata
|
| gptkbp:reproduction |
external fertilization
|
| gptkbp:subfamily |
gptkb:Vertebrata
|
| gptkbp:bfsParent |
gptkb:Cyclostomata
|
| gptkbp:bfsLayer |
6
|