Bull Fork Formation
70 distinct taxa, from 281 fossil occurrences the Paleobiology Database records under this name, spanning 450–446 Mya.
Kentucky, Ohio, Indiana · US
70 taxa · 281 fossils · 450–446 MyaMacrostrat dates this rock 449–446 Ma. Macrostrat’s own record
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17 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
- Hebertella occidentalis
- Platystrophia
- Bryozoa
- Rafinesquina alternata
- Isotelus
- Flexicalymene meeki
- Cincinnetina meeki
- Costatulites richmondensis
- Lophospira
- Ambonychia
- Strophomena planumbona
- Cryptostomata
- Zygospira modesta
- Petrocrania scabiosa
- Platystrophia ponderosa
- Pterinea
- Pterinea demissa
- Xenocrinus
- Cyclonema
- Dalmanella
- Glyptocrinus
- Grewingkia
- Leptaena
- Parvohallopora ramosa
- Pleurorthoceras clarksvillense
- Treptoceras fosteri
- Spatiopora
- Streptelasma divaricans
- Treptoceras cincinnatiensis
- Batostomella
- Cameroceras
- Eochonetes clarksvillensis
- Flexicalymene retrorsa
- Modiomorphidae
- Nautiloidea
- Rhynchotrema dentatum
- Amplexopora
- Beloitoceras amoenum
- Bulmanicrusta
The 40 most often recorded, of 70.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.