Great Blue Limestone

20 distinct taxa, from 22 fossil occurrences the Paleobiology Database records under this name, spanning 343–323 Mya.

Idaho-Utah, Utah · US

20 taxa · 22 fossils · 343–323 Mya

Members recorded: upper.

Macrostrat dates this rock 337–326 Ma. Macrostrat’s own record

Great Blue Limestone — 42.19°N, 112.25°WGreat Blue Limestone — 40.53°N, 112.30°WGreat Blue Limestone — 40.32°N, 112.22°W

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3 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.

When

What has been found

What else lived thenRank the rock of a period

Counts are of occurrence records, which measure the rock and the fieldwork together.