There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 127990 | H. Sims | Whiterock Conservancy- Red Rock (= Garst Farm) Late Albian - Cretaceous 4 - Iowa | Witzke and Ludvigson (1996) |
| 127991 | H. Sims | Whiterock Conservancy- Long Creek (= Garst Farm) Late Albian - Cretaceous 4 - Iowa | Witzke and Ludvigson (1996) |
| 127992 | H. Sims | Whiterock Conservancy- Whiterock Bluff (= Garst Farm) Late Albian - Cretaceous 4 - Iowa | Witzke and Ludvigson (1996) |
| 220979 | M. Carrano | Guthrie County dinosaur [PROXY] (coll. Witzke 1982) Late Albian - Cretaceous 4 - Iowa | Witzke (2001) |