Bull Run Formation

16 distinct taxa, from 22 fossil occurrences the Paleobiology Database records under this name, spanning 227–206 Mya.

Virginia · US

16 taxa · 22 fossils · 227–206 Mya

Filed under the Chatham Group. Members recorded: Groveton, Balls Bluff.

Bull Run Formation — 38.44°N, 77.92°WBull Run Formation — 38.93°N, 77.43°WBull Run Formation — 38.82°N, 77.53°WBull Run Formation — 38.96°N, 77.43°WBull Run Formation — 38.83°N, 77.70°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.