Category:Olenekian first appearances
Biological taxa that first appeared during the Olenekian Age, the geologic time, between 251.2 and 247.2 million years ago, during the Early Triassic Epoch.
Subcategories
This category has only the following subcategory.
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Pages in category "Olenekian first appearances"
The following 14 pages are in this category, out of 14 total.
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This category content has been reduced to only pages contained in the ZIM file.
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