Cambrian Period

GPTKB entity

Statements (66)
Predicate Object
gptkbp:instance_of gptkb:geological_formation
gptkbp:associated_with marine environments
gptkbp:climate warm and shallow seas
gptkbp:ends_at 485 million years ago
gptkbp:events first appearance of annelids
first appearance of arthropods
first appearance of brachiopods
first appearance of cnidarians
first appearance of echinoderms
first appearance of mollusks
first appearance of sponges
first appearance of agnatha
first appearance of archaeocyathids
first appearance of chordates
first appearance of conodonts
first appearance of early agnatha
first appearance of early annelids
first appearance of early archaeocyathids
first appearance of early arthropods
first appearance of early brachiopods
first appearance of early chordates
first appearance of early cnidarians
first appearance of early conodonts
first appearance of early echinoderms
first appearance of early fish
first appearance of early fungi
first appearance of early graptolites
first appearance of early hyoliths
first appearance of early land plants
first appearance of early mollusks
first appearance of early sponges
first appearance of early trilobites
first appearance of early vertebrates
first appearance of graptolites
first appearance of hyoliths
first appearance of trilobites
gptkbp:follows gptkb:Ediacaran_Period
gptkbp:fossil_record gptkb:Burgess_Shale
gptkb:Chengjiang_biota
gptkb:Sirius_Passet
gptkb:Maotianshan_Shales
warm climate
provides insight into early animal evolution
characterized by shallow seas
gptkbp:geographical_feature first appearance of many major groups of animals
https://www.w3.org/2000/01/rdf-schema#label Cambrian Period
gptkbp:includes gptkb:dinosaur
gptkb:opera
archaeocyathids
early chordates
gptkbp:is_characterized_by Cambrian explosion
gptkbp:is_divided_into gptkb:Upper_Cambrian
Middle Cambrian
Lower Cambrian
gptkbp:launched 541 million years ago
gptkbp:location global
gptkbp:notable_event development of hard body parts
first complex ecosystems
increase in biodiversity
appearance of predation
formation of the supercontinent Gondwana
gptkbp:notable_for diversification of life
gptkbp:precedes Ordovician Period
gptkbp:bfsParent gptkb:Phanerozoic_Eon
gptkb:Paleozoic_Era
gptkbp:bfsLayer 4