Keyser Formation
18 distinct taxa, from 30 fossil occurrences the Paleobiology Database records under this name, spanning 423–413 Mya.
Virginia, Maryland · US
18 taxa · 30 fossils · 423–413 MyaFiled under the Helderberg Group. Members recorded: Upper Limestone.
Macrostrat places this rock in the Cayuga Group. Macrostrat’s own record
Loading coastlines…
3 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.