| Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
|---|
| Pueblo Section, Middle Chalk Unit, Bed 1 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Middle Chalk Unit, Cordiceramus bueltenensis inoceramid zone | "limestone" | 85.8 - 83.5 Ma
Late/Upper Cretaceous |
| Pueblo Section, Middle Chalk Unit, Bed 7 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Middle Chalk Unit, Cordiceramus bueltenensis inoceramid zone | "limestone" | 85.8 - 83.5 Ma
Late/Upper Cretaceous |
| Pueblo Section, Middle Shale Unit, Bed 18 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Middle Shale Unit, Cladoceramus undulatoplicatus inoceramid zone | "shale" | 85.8 - 83.5 Ma
Late/Upper Cretaceous |
| Pueblo Section, Middle Shale Unit, Bed 19 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Middle Shale Unit, Cordiceramus bueltenensis inoceramid zone | "shale" | 85.8 - 83.5 Ma
Late/Upper Cretaceous |
| Pueblo Section, Middle Shale Unit, Bed 20 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Middle Shale Unit, Cordiceramus bueltenensis inoceramid zone | "shale" | 85.8 - 83.5 Ma
Late/Upper Cretaceous |
| Pueblo Section, Middle Shale Unit, Bed 27 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Middle Shale Unit, Cordiceramus bueltenensis inoceramid zone | "shale" | 85.8 - 83.5 Ma
Late/Upper Cretaceous |
| Pueblo Section, Middle Shale Unit, Bed 5 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Middle Shale Unit, Cladoceramus undulatoplicatus inoceramid zone, basal Lower Santonian | "shale" | 85.8 - 83.5 Ma
Late/Upper Cretaceous |
| Pueblo Section, Middle Shale Unit, Bed 7 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Middle Shale Unit, Cladoceramus undulatoplicatus inoceramid zone | "shale" | 85.8 - 83.5 Ma
Late/Upper Cretaceous |
| Pueblo Section, Middle Shale Unit, Bed 9 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Middle Shale Unit, Cladoceramus undulatoplicatus inoceramid zone | "shale" | 85.8 - 83.5 Ma
Late/Upper Cretaceous |
| Pueblo Section, Upper Chalky Shale Unit, Bed 10 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Upper Chalky Shale Unit, Cordiceramus muelleri inoceramid zone | "shale" | 85.8 - 83.5 Ma
Late/Upper Cretaceous |
| Pueblo Section, Lower Limestone Unit, Bed 10 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Lower Limestone Unit, Magadiceramus crenelatus inoceramid zone | "limestone" | 89.3 - 85.8 Ma
Late/Upper Cretaceous |
| Pueblo Section, Lower Limestone Unit, Bed 11 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Lower Limestone Unit, Magadiceramus crenelatus inoceramid zone | "limestone" | 89.3 - 85.8 Ma
Late/Upper Cretaceous |
| Pueblo Section, Lower Limestone Unit, Bed 17 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Lower Limestone Unit, Magadiceramus crenelatus inoceramid zone | "limestone" | 89.3 - 85.8 Ma
Late/Upper Cretaceous |
| Pueblo Section, Lower Limestone Unit, Bed 20 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Lower Limestone Unit, Magadiceramus crenelatus inoceramid zone | "limestone" | 89.3 - 85.8 Ma
Late/Upper Cretaceous |
| Pueblo Section, Lower Limestone Unit, Bed 25 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Lower Limestone Unit, Magadiceramus crenelatus inoceramid zone | "limestone" | 89.3 - 85.8 Ma
Late/Upper Cretaceous |
| Pueblo Section, Lower Limestone Unit, Bed 29 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | uppermost Lower Limestone Unit, Magadiceramus crenelatus inoceramid zone | "limestone" | 89.3 - 85.8 Ma
Late/Upper Cretaceous |
| Pueblo Section, Lower Limestone Unit, Bed 7 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Lower Limestone Unit, Magadiceramus crenelatus inoceramid zone | "limestone" | 89.3 - 85.8 Ma
Late/Upper Cretaceous |
| Pueblo Section, Lower Shale Unit, Bed 19 | Walaszczyk I., Cobban W. A. (2007) | Niobrara - Smoky Hill Shale | Lower Shale Unit, Magadiceramus subquadratus inoceramid zone, basal Upper Coniacian | "shale" | 89.3 - 85.8 Ma
Late/Upper Cretaceous |
| Pueblo Section, Lower Shale Unit, Bed 24 | Walaszczyk I., Cobban W. A. (2007) | Niobrara - Smoky Hill Shale | Lower Shale Unit, Magadiceramus subquadratus inoceramid zone | "shale" | 89.3 - 85.8 Ma
Late/Upper Cretaceous |
| Pueblo Section, Lower Shale Unit, Bed 4 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | Lower Shale Unit, Volviceramus involutus inoceramid zone | "shale" | 89.3 - 85.8 Ma
Late/Upper Cretaceous |
| Pueblo Section, Middle Shale Unit, Bed 1 | Walaszczyk I., Cobban W. A. (2007) | Colorado - Niobrara - Smoky Hill Shale | basal Middle Shale Unit, Magadiceramus crenelatus inoceramid zone, uppermost Upper Coniacian | "shale" | 89.3 - 85.8 Ma
Late/Upper Cretaceous |
| Pueblo Section, Shale and Limestone Unit, Bed 37 | Walaszczyk I., Cobban W. A. (2007) | Niobrara - Smoky Hill Shale | topmost bed of Shale and Limestone Unit, topmost Lower Coniacian, Cremnoceramus deformis/crassus inoceramid zone | "shale" | 89.3 - 85.8 Ma
Late/Upper Cretaceous |
