Fort Union Formation

894 distinct taxa, from 7,545 fossil occurrences the Paleobiology Database records under this name.

The Paleobiology Database files this name in 2 countries. That can be one body of rock crossing a border, or two rocks that happen to share a name. The database does not say which, so nothing below is added across them.

Wyoming, North Dakota, Montana, Colorado · US

889 taxa · 7,538 fossils · 101–23 Mya

Members recorded: Tongue River, Ludlow, Tullock, Lebo, Shotgun, Sentinel Butte, Overland, Ekalaka, Atwell Gulch, lower Ludlow, China Butte, Somber beds.

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

Fort Union Formation — 45.00°N, 109.00°WFort Union Formation — 44.36°N, 108.06°WFort Union Formation — 44.30°N, 108.05°WFort Union Formation — 44.91°N, 109.03°WFort Union Formation — 44.00°N, 109.00°WFort Union Formation — 44.00°N, 108.00°WFort Union Formation — 44.21°N, 107.90°WFort Union Formation — 44.50°N, 108.33°WFort Union Formation — 44.16°N, 107.85°WFort Union Formation — 44.27°N, 107.97°WFort Union Formation — 47.60°N, 107.00°WFort Union Formation — 47.10°N, 104.80°WFort Union Formation — 47.80°N, 106.10°WFort Union Formation — 43.85°N, 108.35°WFort Union Formation — 43.70°N, 108.70°WFort Union Formation — 44.30°N, 109.00°WFort Union Formation — 46.05°N, 104.48°WFort Union Formation — 45.80°N, 104.40°WFort Union Formation — 41.70°N, 109.00°WFort Union Formation — 41.30°N, 107.74°WFort Union Formation — 44.50°N, 108.00°WFort Union Formation — 45.80°N, 109.80°WFort Union Formation — 46.70°N, 101.80°WFort Union Formation — 48.50°N, 101.90°WFort Union Formation — 46.90°N, 101.50°WFort Union Formation — 46.59°N, 101.74°WFort Union Formation — 46.90°N, 103.90°WFort Union Formation — 45.80°N, 110.50°WFort Union Formation — 44.72°N, 108.38°WFort Union Formation — 44.68°N, 108.32°WFort Union Formation — 45.20°N, 109.00°WFort Union Formation — 44.89°N, 108.93°WFort Union Formation — 43.20°N, 107.10°WFort Union Formation — 45.10°N, 106.90°WFort Union Formation — 45.40°N, 105.60°WFort Union Formation — 43.45°N, 109.16°WFort Union Formation — 41.92°N, 108.56°WFort Union Formation — 44.72°N, 108.62°WFort Union Formation — 43.20°N, 108.20°WFort Union Formation — 46.91°N, 101.44°WFort Union Formation — 46.47°N, 104.01°WFort Union Formation — 46.52°N, 103.86°WFort Union Formation — 46.47°N, 103.84°WFort Union Formation — 46.35°N, 103.87°WFort Union Formation — 46.02°N, 103.76°WFort Union Formation — 46.35°N, 103.87°WFort Union Formation — 46.28°N, 103.81°WFort Union Formation — 46.39°N, 103.96°WFort Union Formation — 42.00°N, 108.00°WFort Union Formation — 42.28°N, 108.11°WFort Union Formation — 41.16°N, 108.92°WFort Union Formation — 41.14°N, 109.00°WFort Union Formation — 41.46°N, 108.71°WFort Union Formation — 41.57°N, 108.58°WFort Union Formation — 41.54°N, 109.26°WFort Union Formation — 41.52°N, 108.62°WFort Union Formation — 41.59°N, 109.25°WFort Union Formation — 41.33°N, 109.24°WFort Union Formation — 41.14°N, 109.06°WFort Union Formation — 44.80°N, 106.10°WFort Union Formation — 43.90°N, 105.20°WFort Union Formation — 43.40°N, 105.30°WFort Union Formation — 43.40°N, 106.00°WFort Union Formation — 44.80°N, 106.00°WFort Union Formation — 43.40°N, 105.10°WFort Union Formation — 43.30°N, 105.00°WFort Union Formation — 43.60°N, 105.10°WFort Union Formation — 43.50°N, 104.90°WFort Union Formation — 46.96°N, 104.90°WFort Union Formation — 46.46°N, 104.98°WFort Union Formation — 46.33°N, 105.88°WFort Union Formation — 46.15°N, 103.81°WFort Union Formation — 46.34°N, 103.99°WFort Union Formation — 47.01°N, 104.63°WFort Union Formation — 45.58°N, 103.55°WFort Union Formation — 47.10°N, 104.71°WFort Union Formation — 39.48°N, 111.63°WFort Union Formation — 45.18°N, 109.25°WFort Union Formation — 43.75°N, 105.00°WFort Union Formation — 49.00°N, 111.97°WFort Union Formation — 43.03°N, 104.63°WFort Union Formation — 46.87°N, 102.57°WFort Union Formation — 45.78°N, 108.50°WFort Union Formation — 46.92°N, 103.52°WFort Union Formation — 48.13°N, 103.63°WFort Union Formation — 43.87°N, 108.17°WFort Union Formation — 46.42°N, 105.83°WFort Union Formation — 47.32°N, 106.92°WFort Union Formation — 47.55°N, 101.22°WFort Union Formation — 46.42°N, 105.73°WFort Union Formation — 46.92°N, 103.83°WFort Union Formation — 41.63°N, 107.55°WFort Union Formation — 41.78°N, 107.23°WFort Union Formation — 42.80°N, 105.48°WFort Union Formation — 44.37°N, 107.60°WFort Union Formation — 46.42°N, 110.55°WFort Union Formation — 46.33°N, 108.45°WFort Union Formation — 46.22°N, 108.40°WFort Union Formation — 46.22°N, 108.32°WFort Union Formation — 46.35°N, 110.40°WFort Union Formation — 43.88°N, 108.52°WFort Union Formation — 44.53°N, 109.05°WFort Union Formation — 44.15°N, 108.87°WFort Union Formation — 45.30°N, 108.92°WFort Union Formation — 44.77°N, 107.13°WFort Union Formation — 44.92°N, 107.05°WFort Union Formation — 44.92°N, 107.17°WFort Union Formation — 44.90°N, 107.03°WFort Union Formation — 44.93°N, 106.95°WFort Union Formation — 44.92°N, 106.85°WFort Union Formation — 44.92°N, 105.93°WFort Union Formation — 45.02°N, 106.87°WFort Union Formation — 46.10°N, 109.95°WFort Union Formation — 46.15°N, 109.78°WFort Union Formation — 46.42°N, 108.55°WFort Union Formation — 41.22°N, 108.83°WFort Union Formation — 43.90°N, 107.52°WFort Union Formation — 43.47°N, 108.68°WFort Union Formation — 41.33°N, 108.87°WFort Union Formation — 46.28°N, 108.22°WFort Union Formation — 41.37°N, 109.23°WFort Union Formation — 48.08°N, 105.63°WFort Union Formation — 48.15°N, 104.92°WFort Union Formation — 46.02°N, 101.72°WFort Union Formation — 44.28°N, 105.37°WFort Union Formation — 44.95°N, 107.33°WFort Union Formation — 43.03°N, 108.62°WFort Union Formation — 48.40°N, 109.27°WFort Union Formation — 46.52°N, 108.08°WFort Union Formation — 46.53°N, 108.02°WFort Union Formation — 46.43°N, 107.82°WFort Union Formation — 44.48°N, 105.48°WFort Union Formation — 46.48°N, 113.48°WFort Union Formation — 44.67°N, 108.45°WFort Union Formation — 46.00°N, 103.00°WFort Union Formation — 42.75°N, 105.10°WFort Union Formation — 42.77°N, 105.38°WFort Union Formation — 43.03°N, 106.98°WFort Union Formation — 42.75°N, 109.72°WFort Union Formation — 40.52°N, 107.55°WFort Union Formation — 40.59°N, 107.69°WFort Union Formation — 46.00°N, 110.67°WFort Union Formation — 47.13°N, 107.52°WFort Union Formation — 45.86°N, 106.80°WFort Union Formation — 45.80°N, 106.82°WFort Union Formation — 47.42°N, 105.58°WFort Union Formation — 46.00°N, 106.10°WFort Union Formation — 45.93°N, 105.87°WFort Union Formation — 45.88°N, 106.62°WFort Union Formation — 45.97°N, 106.22°WFort Union Formation — 47.72°N, 104.15°WFort Union Formation — 47.22°N, 104.67°WFort Union Formation — 45.88°N, 104.55°WFort Union Formation — 47.38°N, 104.40°WFort Union Formation — 46.57°N, 105.65°WFort Union Formation — 46.17°N, 110.15°WFort Union Formation — 45.91°N, 106.22°WFort Union Formation — 47.30°N, 104.52°WFort Union Formation — 46.09°N, 106.72°WFort Union Formation — 46.28°N, 106.20°WFort Union Formation — 46.58°N, 105.88°WFort Union Formation — 46.88°N, 104.93°WFort Union Formation — 46.80°N, 105.32°WFort Union Formation — 46.87°N, 105.44°WFort Union Formation — 46.26°N, 110.10°WFort Union Formation — 48.18°N, 110.12°WFort Union Formation — 45.37°N, 105.54°WFort Union Formation — 45.09°N, 106.09°WFort Union Formation — 45.26°N, 106.14°WFort Union Formation — 45.83°N, 109.95°WFort Union Formation — 45.15°N, 105.68°WFort Union Formation — 48.90°N, 104.92°WFort Union Formation — 45.80°N, 105.89°WFort Union Formation — 46.79°N, 105.14°WFort Union Formation — 46.62°N, 104.39°WFort Union Formation — 46.62°N, 104.32°WFort Union Formation — 46.66°N, 104.32°WFort Union Formation — 46.78°N, 105.46°WFort Union Formation — 48.92°N, 105.53°WFort Union Formation — 48.99°N, 105.27°WFort Union Formation — 45.99°N, 109.72°WFort Union Formation — 44.06°N, 105.27°WFort Union Formation — 44.60°N, 105.36°WFort Union Formation — 44.00°N, 106.62°WFort Union Formation — 43.63°N, 106.17°WFort Union Formation — 43.62°N, 106.27°WFort Union Formation — 44.24°N, 105.07°WFort Union Formation — 44.25°N, 105.07°WFort Union Formation — 43.64°N, 104.89°WFort Union Formation — 42.81°N, 105.60°WFort Union Formation — 44.29°N, 108.82°WFort Union Formation — 44.28°N, 105.50°WFort Union Formation — 42.23°N, 106.40°WFort Union Formation — 44.28°N, 105.20°WFort Union Formation — 43.70°N, 104.70°WFort Union Formation — 44.80°N, 106.95°WFort Union Formation — 43.93°N, 108.65°WFort Union Formation — 41.72°N, 107.56°WFort Union Formation — 45.47°N, 103.21°WFort Union Formation — 45.58°N, 103.21°WFort Union Formation — 46.55°N, 103.81°WFort Union Formation — 46.71°N, 103.60°WFort Union Formation — 46.44°N, 103.54°WFort Union Formation — 46.21°N, 102.78°WFort Union Formation — 46.36°N, 101.79°WFort Union Formation — 46.15°N, 103.21°WFort Union Formation — 46.83°N, 100.88°WFort Union Formation — 45.55°N, 103.97°WFort Union Formation — 47.97°N, 102.55°WFort Union Formation — 47.90°N, 102.82°WFort Union Formation — 46.58°N, 112.51°WFort Union Formation — 46.37°N, 102.33°WFort Union Formation — 45.92°N, 101.55°WFort Union Formation — 47.40°N, 103.25°WFort Union Formation — 47.00°N, 103.00°WFort Union Formation — 47.86°N, 101.50°WFort Union Formation — 47.00°N, 103.87°WFort Union Formation — 44.88°N, 109.12°WFort Union Formation — 45.15°N, 109.17°WFort Union Formation — 44.88°N, 108.75°WFort Union Formation — 45.22°N, 109.50°WFort Union Formation — 46.43°N, 105.24°WFort Union Formation — 44.85°N, 108.75°WFort Union Formation — 41.71°N, 108.62°WFort Union Formation — 46.10°N, 109.95°WFort Union Formation — 47.63°N, 106.63°WFort Union Formation — 42.92°N, 107.88°WFort Union Formation — 42.80°N, 108.18°WFort Union Formation — 42.05°N, 108.73°WFort Union Formation — 42.88°N, 108.02°WFort Union Formation — 47.50°N, 106.37°WFort Union Formation — 47.70°N, 105.80°WFort Union Formation — 39.27°N, 108.18°WFort Union Formation — 41.66°N, 107.80°WFort Union Formation — 45.90°N, 104.13°WFort Union Formation — 39.20°N, 108.20°WFort Union Formation — 39.10°N, 106.90°WFort Union Formation — 47.58°N, 107.05°WFort Union Formation — 47.50°N, 107.20°WFort Union Formation — 41.77°N, 108.61°WFort Union Formation — 44.51°N, 108.88°WFort Union Formation — 44.53°N, 108.96°WFort Union Formation — 44.85°N, 108.74°WFort Union Formation — 44.85°N, 108.75°WFort Union Formation — 44.64°N, 109.11°WFort Union Formation — 44.62°N, 109.03°WFort Union Formation — 44.85°N, 108.89°WFort Union Formation — 47.60°N, 106.20°WFort Union Formation — 41.68°N, 107.52°WFort Union Formation — 43.08°N, 107.11°WFort Union Formation — 43.02°N, 107.08°WFort Union Formation — 42.29°N, 108.18°WFort Union Formation — 46.48°N, 105.67°WFort Union Formation — 44.71°N, 106.17°WFort Union Formation — 44.88°N, 106.06°WFort Union Formation — 45.59°N, 105.68°WFort Union Formation — 45.55°N, 105.72°WFort Union Formation — 45.53°N, 105.64°W

Loading coastlines…

258 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 889.

Saskatchewan · CA

6 taxa · 7 fossils · 66–56 Mya

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

Fort Union Formation — 49.04°N, 106.58°W

Loading coastlines…

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

What else lived thenRank the rock of a period

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