List of holdings from the Cambrian
| Epoch/Age | Formation | Location | Collection | # of Drawers |
|---|---|---|---|---|
| Middle Cambrian | Conasauga Shale | Alabama | 1 | |
| Middle Cambrian | Gold Creek Formation | Idaho | 1 | |
| Upper Cambrian | Trampealeau Formation | Michigan | 1 | |
| Upper Cambrian | Franconia Sandstone | Michigan | 1 | |
| Upper Cambrian | Eau Claire Formation | Michigan | 1 | |
| Middle Cambrian | Damnation Limestone | Montana | Deiss Collection | 1 |
| Upper Cambrian | Dry Creek Shale | Montana | Deiss Collection | 1 |
| Middle Cambrian | Gordon Mountain | Montana | Deiss Collection | 1 |
| Middle Cambrian | Pagoda Limestone | Montana | Deiss Collection | 1 |
| Middle Cambrian | Pentagon Shale | Montana | Deiss Collection | 1 |
| Upper Cambrian | Pilgrim | Montana | Deiss Collection | 2 |
| Middle Cambrian | Steamboat Limestone | Montana | Deiss Collection | 1 |
| Middle Cambrian | Wolsey Shale | Montana | 1 | |
| Various | Montana | Deiss Collection | 8 | |
| Middle Cambrian | Chisholm Shale | Nevada | 1 | |
| Upper Cambrian | Honey Creek | Oklahoma | 1 | |
| Upper Cambrian | Nolichucky Shale | Tennessee | 1 | |
| Rutledge Limestone | Tennessee | 1 | ||
| Middle Cambrian | Rogersville Shale | Tennessee | 1 | |
| Middle Cambrian | Shady and Pleasant Hill Formations | Tennessee | 1 | |
| Upper Cambrian | Wilberns Formation | Texas | 1 | |
| Upper Cambrian | Cap Mountain LImestone | Texas | 1 | |
| Middle Cambrian | Wheeler Shale | Utah | 1 | |
| Middle Cambrian | Swasey and Tatow | Utah | 1 | |
| Middle Cambrian | Ute Limestone | Utah | 1 | |
| Middle Cambrian | Spence Shale | Utah | 1 | |
| Lower Cambrian | Parker Slate | Vermont | 2 | |
| General Cambrian | Miscellaneous | USA | 4 | |
| Upper Cambrian | Deadwood Formation | Alberta | 1 | |
| Upper Cambrian | Sullivan Formation | Alberta | 1 | |
| Ptarmigan LImestone | Alberta | 1 | ||
| Lower Cambrian | Mural Formation | Alberta | 1 | |
| Upper Cambrian | Goodsir Formation | British Columbia | 1 | |
| Middle Cambrian | Stephen Formation | British Columbia | 1 | |
| Middle Cambrian | Cathedral Dolomite | British Columbia | 1 | |
| Middle Cambrian | Burgess Shale | British Columbia | 1 | |
| Middle Cambrian | Burgess Shale | British Columbia | 1 | |
| Middle Cambrian | Naiset Formation | British Columbia | 1 | |
| Lower and Middle Cambrian | Mt. Whyte Formation | British Columbia | 1 | |
| Lower Cambrian | Ile d'Orléans Group | Quebec | 1 | |
| General Cambrian | Miscellaneous | Non-USA | International Collection | 1 |