Oregonia Formation
40 distinct taxa, from 323 fossil occurrences the Paleobiology Database records under this name, spanning 450–446 Mya.
Ohio, Kentucky, Indiana · US
40 taxa · 323 fossils · 450–446 MyaMacrostrat dates this rock 458–443 Ma. Macrostrat’s own record
Loading coastlines…
9 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
- Trepostomata
- Rafinesquina alternata
- Zygospira modesta
- Bryozoa
- Cincinnaticrinus
- Ambonychia
- Flexicalymene
- Isotelus
- Glyptocrinus
- Cyclonema
- Platystrophia
- Flexicalymene meeki
- Hebertella occidentalis
- Pterinea
- Modiomorphidae
- Pterinea demissa
- Cryptostomata
- Dalmanella
- Petrocrania scabiosa
- Retrorsirostra carleyi
- Cornulites
- Cuffeyella arachnoidea
- Gastropoda
- Leptaena
- Ropalonaria
- Bivalvia
- Cincinnetina meeki
- Lophospira
- Xenocrinus
- Cyclocystoidea
- Cyrtolites ornatus
- Iocrinus
- Liospira
- Modiolopsis
- Nautiloidea
- Parvohallopora ramosa
- Solenopora
- Strophomena
- Trematis
- Treptoceras
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.