Stonington Formation
94 distinct taxa, from 178 fossil occurrences the Paleobiology Database records under this name, spanning 450–446 Mya.
Michigan · US
94 taxa · 178 fossils · 450–446 MyaFiled under the Richmond Group. Members recorded: Ogontz, Bay de Noc.
Macrostrat dates this rock 449 Ma. Macrostrat’s own record
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4 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
- Dalmanella
- Hebertella alveata
- Helicelasma rusticum
- Platystrophia acutilirata
- Rafinesquina alternata
- Strophomena parvula
- Conularia
- Cornulites
- Hebertella occidentalis
- Modiolopsis
- Platystrophia clarksvillensis
- Rafinesquina
- Tetraphalerella neglecta
- Vinlandostrophia moritura
- Anazyga recurvirostra
- Archinacella kagawongensis
- Ceraurus
- Cyclonema minuta
- Hormotoma gracilis
- Megamyonia breviuscula
- Monticulipora
- Ambonychia
- Clidophorus
- Cyrtodonta
- Cyrtolites ornatus
- Hallopora
- Hebertella richmondensis
- Helicotoma brocki
- Lichenocrinus
- Liospira micula
- Lophospira
- Orthodesma
- Petrocrania scabiosa
- Pholadomorpha pholadiformis
- Plaesiomys subquadratus
- Pterinea demissa
- Rhombotrypa quadrata
- Sowerbyella rugosa
- Tubulotrypa auloporoides
- Vanuxemia
The 40 most often recorded, of 94.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.