Chordate Evolution over Geologic Time
Category: Autre
mise à jour avec succès: 26 janv. 2018
Phanerozoic geologic time scale showcasing evolutionary developments in the phylum Chordata
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Created byZahur Ashrafuzzaman
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Les événements
Separated PangaeaGrouper
Les événements
Cambrian ExplosionDiversification of life on landJawless fishes ariseBony and cartilaginous fish divergeLobe-finned fish ariseCoelacanth ariseLungfish ariseFirst tetrapodsAmphibians arisePanderichthys, Ichthyostega, and TiktaalikKenichthysSauropsids split from synapsidsBeginning of pelycosaur reignCynodontsTherapsids overtake pelycosaursSauropsids begin to dominateFirst endothermic synapsidsMonotremes split from other mammalsPlacentals and marsupials splitArchaeopteryxProto-primates split from proto-rodentsReign of mammals beginsHumansMajor groups of mammals divergeGrouper
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