| F-103 |  | Petalodus ohioensis
Collected from Coleman County, Texas. Pennsylvanian period. |
| F-104 |  | Petalodus ohioensis
Purchased on eBay. Collected from Washington County, Arkansas. Pennsylvanian period. |
| F-105 |  | Nerinea aquilina
Collected from Glen Rose formation (Trinity Group), Hays County, Texas. |
| F-106 |  | Shark vertebrae
Collected from Ash Grove Quarry in Midlothian, Texas. |
| F-107 |  | Cameleolopha bellaplicata
Collected from Ash Grove Quarry in Midlothian, Texas. |
| F-108 |  | Cameleolopha bellaplicata
Collected from Ash Grove Quarry in Midlothian, Texas. |
| F-109 |  | Architectonica scrobiculata
Collected at Whiskey Bridge, Texas. Claiborne group (Eocene). |