Eon
Phanerozoic
538.8000 – 0.0000 Ma
The Phanerozoic is the current and the latest of the four geologic eons in the Earth's geologic time scale, covering the time period from 538.8 ± 0.6 million years ago to the present. It is the eon during which abundant animal and plant life has proliferated, diversified and colonized various niches on the Earth's surface, beginning with the Cambrian period when animals first developed hard shells that can be clearly preserved in the fossil record. The time before the Phanerozoic, collectively called the Precambrian, is now divided into the Hadean, Archaean and Proterozoic eons.
← Geological time scale
Fossil genera 2048
Grallator
Dinosaurs
Ichnogenus
Extinct
195 occ.
Paronychodon
Dinosaurs
Valid
Extinct
136 occ.
Eubrontes
Dinosaurs
Ichnogenus
Extinct
132 occ.
Camarasaurus
Dinosaurs
Valid
Extinct
107 occ.
Allosaurus
Dinosaurs
Valid
Extinct
106 occ.
Iguanodon
Dinosaurs
Valid
Extinct
101 occ.
Triceratops
Dinosaurs
Valid
Extinct
101 occ.
Richardoestesia
Dinosaurs
Valid
Extinct
100 occ.
Brontopodus
Dinosaurs
Ichnogenus
Extinct
91 occ.
Massospondylus
Dinosaurs
Valid
Extinct
68 occ.
Saurornitholestes
Dinosaurs
Valid
Extinct
68 occ.
Stegosaurus
Dinosaurs
Valid
Extinct
68 occ.
Caririchnium
Dinosaurs
Ichnogenus
Formal taxon
Extinct
64 occ.
Apatosaurus
Dinosaurs
Valid
Extinct
59 occ.
Anomoepus
Dinosaurs
Ichnogenus
Extinct
57 occ.
Diplodocus
Dinosaurs
Valid
Extinct
54 occ.
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