Nuculana grandensis
- Phylum: Mollusca
- Class: Bivalvia
- Order: Nuculanida
- Family: Nuculanidae
- Genus: Nuculana
- Species: Nuculana grandensis (Speden)
Geological Range
Maastrichtian
Paleogeographic Distribution
South Dakota to Montana
Stratigraphic Occurrences
- Maastrichtian
- Fox Hills Formation (Timber Lake Member) (SD)
- Fox Hills Formation (Trail City Member) (SD)
- Unknown Stage
- Pierre Shale (MT)
