Williamsville Formation
3 distinct taxa, from 7 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.
Ontario · CA
3 taxa · 5 fossils · 423–420 MyaFiled under the Bertie Group. Members recorded: A.
Macrostrat places this rock in the Bertie Group, and dates it 427–420 Ma. Macrostrat’s own record
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2 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
New York · US
1 taxa · 2 fossils · 423–420 MyaFiled under the Bertie Group.
Macrostrat places this rock in the Bertie Group, and dates it 427–420 Ma. Macrostrat’s own record
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2 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.