Statements (17)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:extinct_order_of_plants | 
| gptkbp:characteristic | fern-like leaves woody trunks | 
| gptkbp:class | gptkb:Progymnospermopsida | 
| gptkbp:division | gptkb:Progymnospermopsida | 
| gptkbp:extinct | yes | 
| gptkbp:firstAppearance | gptkb:Middle_Devonian | 
| gptkbp:fossilRange | gptkb:Devonian | 
| gptkbp:kingdom | gptkb:Plantae | 
| gptkbp:lastAppearance | gptkb:Late_Devonian | 
| gptkbp:notableMember | gptkb:Archaeopteris | 
| gptkbp:relatedTo | seed plants | 
| gptkbp:reproduction | spores | 
| gptkbp:significance | early tree-forming plants | 
| gptkbp:bfsParent | gptkb:Archaeopteris | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Archaeopteridales |