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by
Ciro Santilli
(@cirosantilli,
32
)
Paleozoic (541 Mya - 252 Mya, old life, Cambrian explosion to P-T Extinction)
tags:
Era
End:
Permian-Triassic extinction event
.
Ancestors
Phanerozoic
Eon
Geologic time scale hierarchy
Geologic time scale
Earth science
Earth
Planet in the Solar System
Solar System
Orion Arm
Arm of the Milky Way
Milky Way
Local group
Virgo Supercluster
Astronomy
Natural science
Science
Index
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