Efremov Formation

2 distinct taxa, from 5 fossil occurrences the Paleobiology Database records under this name, spanning 274–267 Mya.

Recorded under country code RU

2 taxa · 5 fossils · 274–267 Mya
Efremov Formation — 73.31°N, 80.39°EEfremov Formation — 69.96°N, 121.83°EEfremov Formation — 73.10°N, 81.60°EEfremov Formation — 73.20°N, 83.20°EEfremov Formation — 70.20°N, 122.24°E

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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.