Corwin Formation

30 distinct taxa, from 127 fossil occurrences the Paleobiology Database records under this name, spanning 113–94 Mya.

Alaska · US

30 taxa · 127 fossils · 113–94 Mya

Macrostrat places this rock in the Nanushuk Group, and dates it 96–91 Ma. Macrostrat’s own record

Corwin Formation — 68.84°N, 163.16°WCorwin Formation — 68.82°N, 162.18°WCorwin Formation — 68.94°N, 162.98°WCorwin Formation — 68.95°N, 162.95°WCorwin Formation — 69.08°N, 162.88°WCorwin Formation — 69.13°N, 162.70°WCorwin Formation — 69.09°N, 162.84°WCorwin Formation — 69.27°N, 162.79°WCorwin Formation — 69.33°N, 162.56°WCorwin Formation — 69.34°N, 162.41°WCorwin Formation — 69.45°N, 162.69°WCorwin Formation — 69.50°N, 162.72°WCorwin Formation — 69.50°N, 162.76°WCorwin Formation — 69.15°N, 162.84°W

Loading coastlines…

14 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.