The Age of the Cambrian

GPTKB entity

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