Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
extinct superclass of jawless fish
|
| gptkbp:bodyCovering |
bony plates
|
| gptkbp:characteristic |
jawless
armored body marine and freshwater habitats |
| gptkbp:class |
gptkb:fish
|
| gptkbp:discoveredBy |
19th century
|
| gptkbp:etymology |
from Greek 'ostrakon' (shell) and 'derma' (skin)
|
| gptkbp:firstAppearance |
about 485 million years ago
|
| gptkbp:fossilRange |
Ordovician to Devonian
|
| https://www.w3.org/2000/01/rdf-schema#label |
Ostracodermi
|
| gptkbp:kingdom |
gptkb:Animalia
|
| gptkbp:lastAppearance |
about 359 million years ago
|
| gptkbp:notableGroup |
gptkb:Anaspida
gptkb:Cephalaspida gptkb:Pteraspidomorphi gptkb:Thelodonti |
| gptkbp:phylum |
gptkb:Chordata
|
| gptkbp:replacedBy |
jawed vertebrates (Gnathostomata)
|
| gptkbp:respiration |
gills
|
| gptkbp:significance |
early vertebrate evolution
|
| gptkbp:skeletonType |
cartilaginous
|
| gptkbp:status |
extinct
|
| gptkbp:subfamily |
gptkb:Vertebrata
|
| gptkbp:bfsParent |
gptkb:Cephalaspidomorphi
gptkb:Sarcopterygii |
| gptkbp:bfsLayer |
5
|