Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
plant class
|
| gptkbp:characteristic |
secondary growth
fern-like reproduction woody stems |
| gptkbp:describedBy |
Charles B. Beck
|
| gptkbp:describedYear |
1960
|
| gptkbp:division |
gptkb:Tracheophyta
|
| gptkbp:evolutionarySignificance |
ancestor of gymnosperms
|
| gptkbp:extinct |
true
|
| gptkbp:fossilRange |
Devonian to Carboniferous
|
| https://www.w3.org/2000/01/rdf-schema#label |
Progymnospermopsida
|
| gptkbp:kingdom |
gptkb:Plantae
|
| gptkbp:notableMember |
gptkb:Archaeopteris
|
| gptkbp:bfsParent |
gptkb:Archaeopteris
|
| gptkbp:bfsLayer |
5
|