middle Devonian

GPTKB entity

Statements (34)
Predicate Object
gptkbp:instanceOf geological formation
gptkbp:beganIn 393.3 million years ago
gptkbp:characterizedBy diversification of fish
expansion of terrestrial plants
development of first forests
gptkbp:climate warm
humid
gptkbp:contains gptkb:Eifelian_stage
gptkb:Givetian_stage
gptkbp:continent gptkb:Gondwana
gptkb:Euramerica
gptkbp:endDate 382.7 million years ago
gptkbp:followedBy late Devonian
https://www.w3.org/2000/01/rdf-schema#label middle Devonian
gptkbp:marineLife corals
bivalves
brachiopods
crinoids
trilobites
gastropods
gptkbp:notableSite gptkb:horsetails
ferns
lycophytes
placoderms
ammonoids
early tetrapods
gptkbp:partOf gptkb:Devonian_period
gptkbp:precededBy gptkb:early_Devonian
gptkbp:significance evolution of vascular plants
origin of seed plants
gptkbp:significantEvent gptkb:Kačák_Event
Coral reef expansion
gptkbp:bfsParent gptkb:early_Devonian
gptkbp:bfsLayer 6