Grand Tower Limestone

25 distinct taxa, from 26 fossil occurrences the Paleobiology Database records under this name, spanning 393–382 Mya.

Illinois · US

25 taxa · 26 fossils · 393–382 Mya

Macrostrat dates this rock 393–389 Ma. Macrostrat’s own record

Grand Tower Limestone — 39.50°N, 88.38°W

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1 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

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