McMillan Formation
33 distinct taxa, from 187 fossil occurrences the Paleobiology Database records under this name, spanning 458–443 Mya.
Ohio, Kentucky, Indiana · US
33 taxa · 187 fossils · 458–443 MyaFiled under the Maysvillian Group. Members recorded: Bellevue, Mt. Auburn, Corryville, Corryville/Mt. Auburn.
Macrostrat dates this rock 458–443 Ma. Macrostrat’s own record
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49 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
- Platystrophia ponderosa
- Hebertella occidentalis
- Platystrophia laticosta
- Rafinesquina alternata
- Platystrophia
- Rafinesquina ponderosa
- Zygospira modesta
- Platystrophia cypha
- Platystrophia clarksvillensis
- Cincinnetina meeki
- Cincinnetina multisecta
- Hiscobeccus capax
- Ceratopsis oculifera
- Cuneamya elliptica
- Cymatonota recta
- Glyptorthis insculpta
- Heterocrinus juvenis
- Ischyrodonta unionoides
- Isotelus megistos
- Lyrodesma major
- Platystrophia acutilirata
- Plectorthis
- Psiloconcha inornata
- Psiloconcha sinuata
- Retrorsirostra carleyi
- Rhynchotrema dentatum
- Rhytimya oehana
- Strophomena planumbona
- Vinlandostrophia annieana
- Vinlandostrophia corryvillensis
- Vinlandostrophia ponderosa
- Vinlandostrophia sublaticosa
- Zygospira
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.