| Gramastacus | |
|---|---|
-a-new-species-of-zookeys-398-053-g001.jpg)
| |
| 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.