| Esconites zelus Francis Creek Shale Will Co., Illinois Size: 3.9 X 4 cm concretion Only one half of concretion is available Price: $10 US ID number: f2689 | 
|
| Esconites zelus Francis Creek Shale Will Co., Illinois Size: 3.9 X 4 cm concretion Only one half of concretion is available Price: $10 US ID number: f2689 |
|