Bills Creek Formation
27 distinct taxa, from 31 fossil occurrences the Paleobiology Database records under this name, spanning 450–446 Mya.
Michigan · US
27 taxa · 31 fossils · 450–446 MyaLoading coastlines…
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
- Flexicalymene quadricapita
- Pterinea
- Acidaspis
- Bythopora
- Calymene
- Clidophorus
- Cornulites
- Cyclonema minuta
- Cyrtostropha salteri
- Dalmanella
- Flexicalymene meeki
- Flexicalymene praelongicephala
- Isotelus gigas
- Leptobolus insignis
- Lichenocrinus
- Lingulasma changi
- Nuculites neglectus
- Oenonites
- Orthograptus quadrimucronatus
- Paupospira bowdeni
- Paupospira tropidophora
- Primitia
- Primitiella
- Pterinea demissa
- Rafinesquina alternata
- Rhombotrypa quadrata
- Tetradella
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.