St. Lawrence Formation

17 distinct taxa, from 24 fossil occurrences the Paleobiology Database records under this name, spanning 494–487 Mya.

Wisconsin, Minnesota · US

17 taxa · 24 fossils · 494–487 Mya

Members recorded: Lodi.

St. Lawrence Formation — 43.19°N, 89.77°WSt. Lawrence Formation — 43.35°N, 91.22°WSt. Lawrence Formation — 43.20°N, 90.07°WSt. Lawrence Formation — 43.33°N, 90.39°WSt. Lawrence Formation — 43.77°N, 91.42°W

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5 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.