 | Acutiramus cummingsi |
 | Beckwithia typa |
 | Eurypterus lacustris |
 | Eurypterus remipes |
 | Paracarcinosoma scorpionis |
 | Proscorpius osborni |
Chelicerata
| Acutiramus cummingsi |
| Beckwithia typa |
| Eurypterus lacustris |
| Eurypterus remipes |
| Paracarcinosoma scorpionis |
| Proscorpius osborni |
Last modified 7/4/11