Kirkfield Formation

5 distinct taxa, from 5 fossil occurrences the Paleobiology Database records under this name, spanning 457–450 Mya.

Ontario · CA

5 taxa · 5 fossils · 457–450 Mya

Macrostrat places this rock in the Trenton Group, and dates it 456–452 Ma. Macrostrat’s own record

Kirkfield Formation — 44.56°N, 78.98°W

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1 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.