Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:contains |
Eifelian age
Givetian age |
| gptkbp:endDate |
382.7 million years ago
|
| gptkbp:followedBy |
gptkb:Early_Devonian_period
|
| https://www.w3.org/2000/01/rdf-schema#label |
Middle Devonian period
|
| gptkbp:namedAfter |
gptkb:Devon,_England
|
| gptkbp:notableFor |
diversification of fish
reef building by corals expansion of terrestrial plants development of early forests |
| gptkbp:notableSite |
brachiopods
trilobites placoderms ammonoids early tetrapodomorphs |
| gptkbp:partOf |
gptkb:Devonian_period
|
| gptkbp:precededBy |
gptkb:Late_Devonian_period
|
| gptkbp:startDate |
393.3 million years ago
|
| gptkbp:bfsParent |
gptkb:Late_Devonian_period
|
| gptkbp:bfsLayer |
6
|