Panopeus lacustris

Panopeus lacustris
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Brachyura
Family: Panopeidae
Genus: Panopeus
Species:
P. lacustris
Binomial name
Panopeus lacustris
Desbonne in Desbonne & Schramm, 1867
Synonyms
  • Panopeus crassus A. Milne-Edwards, 1880
  • Panopeus herbstii granulosus A. Milne-Edwards, 1880

Panopeus lacustris, the knot-fingered mud crab, is a true crab belonging to the infraorder Brachyura. It can be distinguished from related species by its exceptionally broad and knobbly main chela (claw).