Brownstown Formation

12 distinct taxa, from 14 fossil occurrences the Paleobiology Database records under this name, spanning 86–72 Mya.

Arkansas, Oklahoma · US

12 taxa · 14 fossils · 86–72 Mya

Macrostrat places this rock in the Austin Group. Macrostrat’s own record

Brownstown Formation — 33.83°N, 94.48°WBrownstown Formation — 33.92°N, 93.48°WBrownstown Formation — 33.85°N, 93.85°WBrownstown Formation — 34.22°N, 93.01°W

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4 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.