Haverford Mudstone
20 distinct taxa, from 27 fossil occurrences the Paleobiology Database records under this name, spanning 445–439 Mya.
Wales · UK
20 taxa · 27 fossils · 445–439 MyaMembers recorded: Gasworks Mudstone, Gasworks Mudstone (?).
Macrostrat dates this rock 445–441 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.