Saturday Mountain Formation
25 distinct taxa, from 35 fossil occurrences the Paleobiology Database records under this name, spanning 487–443 Mya.
Idaho, Iowa · US
25 taxa · 35 fossils · 487–443 MyaMacrostrat dates this rock 450–439 Ma. 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
- Anazyga recurvirostra
- Austinella
- Glyptorthis pulchra
- Lordorthis variabilis
- Plaesiomys idahoensis
- Platystrophia
- Streptelasma
- Zygospira circularis
- Zygospira idahoensis
- Zygospira lebanonensis
- Ampyxina
- Bighornia
- Climacograptus
- Diceromyonia tersa
- Dicranograptus
- Eochonetes
- Eochonetes voldemortus
- Glyptograptus
- Lingulida
- Orthograptus
- Primaspis
- Rafinesquina
- Rhynchonellidae
- Strophomena
- Toernquistia
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.