Bond Formation

44 distinct taxa, from 51 fossil occurrences the Paleobiology Database records under this name, spanning 306–304 Mya.

Illinois · US

44 taxa · 51 fossils · 306–304 Mya

Filed under the McLeansboro Group. Members recorded: LaSalle Limestone.

Macrostrat places this rock in the McLeansboro Group, and dates it 305–304 Ma. Macrostrat’s own record

Bond Formation — 40.78°N, 88.68°WBond Formation — 40.10°N, 87.83°W

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2 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

The 40 most often recorded, of 44.

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