Faxonius difficilis
Faxonius difficilis, the painted crayfish, is a species of crayfish in the family Cambaridae. It is endemic to Oklahoma and Alabama in the United States.
This species used to be a species complex of four subspecies but these have now been redefined. These were:
- F. difficilis difficilis, the nominate subspecies
- F. d. maletae
- F. d. hathawayi
- ''F. d. blacki''