Sayamia

Sayamia
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Brachyura
Family: Gecarcinucidae
Genus: Sayamia
Naiyanetr (1994)

Sayamia is a genus of freshwater crabs, found in South-East Asia. Three species are included on the list of least concern (lc) arthropods, but S. melanodactylus is endangered.