Cucullaea nebrascensis
- Phylum: Mollusca
- Class: Bivalvia
- Order: Arcida
- Family: Cucullaeidae
- Genus: Cucullaea
- Species: Cucullaea nebrascensis Owen, 1852
Geological Range
Campanian to Maastrichtian
Paleogeographic Distribution
New Mexico to Montana to South Dakota
Stratigraphic Occurrences
- Maastrichtian
- Fox Hills Formation (SD)
- Fox Hills Formation (Timber Lake Member) (SD)
- Fox Hills Formation (Trail City Member) (SD)
- Pierre Shale (WY)
- Campanian
- Pierre Shale (SD) [Campanian]
- Unknown Stage
- Bear Paw Shale (MT)
- Pierre Shale (MT)
- Pierre Shale (WY)
