Properties (58)
Predicate | Object |
---|---|
gptkbp:instanceOf |
geological period
|
gptkbp:associated_with |
increased oxygen levels
development of hard body parts |
gptkbp:climate |
warm and shallow seas
|
gptkbp:divisions |
Early Cambrian
Late_Cambrian Middle_Cambrian |
gptkbp:finish |
485 million years ago
|
gptkbp:follows |
Ediacaran Period
|
gptkbp:fossilRecord |
gptkb:Burgess_Shale
gptkb:Chengjiang_biota gptkb:Sirius_Passet gptkb:Maotianshan_Shale |
gptkbp:foundedIn |
541 million years ago
|
gptkbp:geologicalFeatures |
marks the beginning of the Paleozoic Era
represents a major evolutionary event supercontinent_Gondwana |
https://www.w3.org/2000/01/rdf-schema#label |
The Age of the Cambrian
|
gptkbp:includes |
sponges
mollusks archaeocyathids brachiopods trilobites echinoderms early chordates anomalocaridids |
gptkbp:is_characterized_by |
diversification of life
|
gptkbp:is_known_for |
Cambrian Explosion
|
gptkbp:notable_event |
first appearance of annelids
first appearance of arthropods first appearance of bacteria first appearance of brachiopods first appearance of cnidarians first appearance of coccolithophores first appearance of diatoms first appearance of dinoflagellates first appearance of echinoderms first appearance of eyes first appearance of foraminifera first appearance of fungi first appearance of green algae first appearance of green plants first appearance of hard shells first appearance of land animals first appearance of land plants first appearance of marine ecosystems first appearance of mollusks first appearance of multicellular life first appearance of protists first appearance of radiolarians first appearance of red algae first appearance of sponges first appearance of terrestrial ecosystems first appearance of vertebrates first complex ecosystems first evidence of predation |
gptkbp:notableFor |
first appearance of many major groups of animals
|
gptkbp:precededBy |
Ordovician Period
|