Genshaw Formation
23 distinct taxa, from 23 fossil occurrences the Paleobiology Database records under this name, spanning 393–382 Mya.
Michigan · US
23 taxa · 23 fossils · 393–382 MyaMacrostrat places this rock in the Traverse Group, and dates it 385 Ma. Macrostrat’s own record
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3 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
- Ctenobolbina megalia
- Ctenoloculina eurybathrota
- Eczematolepis
- Falsipollex bulbosus
- Falsipollex minimus
- Floweria cornucopia
- Helaspis
- Heteralosia
- Hollinella amplilobata
- Hollinella cuspibulbata
- Hollinella plauta
- Hollinella vegrandis
- Holonema rugosa
- Longispina
- Parabolbina hypercala
- Parabolbina oxypages
- Sieberella
- Strophomena (Strophodonta)
- Subligaculum proclivisulcatum
- Tetrasacculus magnivelatus
- Winchellatia deliquiata
- Winchellatia deminuta
- Winchellatia teleutaea
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.