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Beginning some 500 million years ago, this era gets its name from the Greek for "ancient life" |
Paleozoic
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$600 |
J |
ALL SORTS OF SCIENCE |
2025-10-09 |
#9409 |
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This "ancient life" geologic era ended about 250 million years ago as most species on Earth died out |
Paleozoic
|
$800 |
DJ |
SCIENCE |
2021-06-28 |
#8431 |
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The name of this geologic era in which amphibians & reptiles were introduced means "ancient life" |
Paleozoic
|
$600 |
J |
GENERAL SCIENCE |
2015-04-14 |
#7047 |
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Reptiles & fish first came into being during this geologic era whose name means "ancient life" |
Paleozoic
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$1,600 |
DJ |
SCIENCE |
2002-02-15 |
#4025 |