Inoceramus sagensis
- Phylum: Mollusca
- Class: Bivalvia
- Order: Myalinida
- Family: Inoceramidae
- Genus: Inoceramus
- Species: Inoceramus sagensis (Owen)
Geological Range
Campanian to Maastrichtian
Paleogeographic Distribution
Mississippi to Montana
Stratigraphic Occurrences
- Maastrichtian
- Pierre Shale (WY)
- Campanian
- Pierre Shale (CO)
- Pierre Shale (SD) [Campanian]
- Unknown Stage
- Bear Paw Shale (MT)
- Claggett Formation (MT)
- Coffee Sand Formation (MS)
- Hygiene Formation (CO)
- Pierre Shale (SD)
- Pierre Shale (WY)
- Ripley Formation (TN)
- Tepee Butte (CO)
