| Scientific name | Common name | Period last collected* |
|---|---|---|
| Cambarus hubbsi | Hubb's crayfish | B |
| Orconectes longidigitus | Longpincered crayfish | A, B |
| Orconectes meeki | Meek's crayfish | B |
| Orconectes neglectus | Ringed crayfish | A, B |
| Orconectes ozarkae | Ozark crayfish | A ,B |
| Orconectes punctimanus | Spothanded crayfish | B |
| Orconectes virilis | Northern crayfish | A, B |
| Orconectes williamsi | Williams' crayfish | B |
* A=collected prior to 1970, B=collected after 1970
Source: Pflieger (1996).
