Gramastacus
| Gramastacus | |
|---|---|
| Gramastacus lacus | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | Malacostraca | 
| Order: | Decapoda | 
| Suborder: | Pleocyemata | 
| Family: | Parastacidae | 
| Genus: | Gramastacus Riek, 1972 | 
| Species | |
| 
 | |
Gramastacus is a genus of freshwater crayfish species from southeast Australia. It has two described species.