Summerville Formation

4 distinct taxa, from 10 fossil occurrences the Paleobiology Database records under this name, spanning 165–149 Mya.

Utah, Colorado, New Mexico, Oklahoma · US

4 taxa · 10 fossils · 165–149 Mya

Macrostrat places this rock in the San Rafael Group, and dates it 162–155 Ma. Macrostrat’s own record

Summerville Formation — 36.46°N, 103.71°WSummerville Formation — 36.97°N, 102.97°WSummerville Formation — 38.85°N, 108.48°WSummerville Formation — 39.05°N, 110.92°WSummerville Formation — 35.52°N, 105.25°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.