Polybius vernalis

Polybius vernalis, the grey swimming crab, is a small, shallow-water crab in the family Portunidae.^[1] P. vernalis is a strictly Mediterranean species.^[2]

Polybius vernalis
Image of Liocarcinus vernalis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
Infraorder:	Brachyura
Family:	Polybiidae
Genus:	Polybius
Species:	P. vernalis
Binomial name
Polybius vernalis (Risso, 1816) [1]
Synonyms [1]
Macropipus vernalis (Risso, 1827) Polybius vernalis (Risso, 1827) Portunus barbarus Lucas, 1846 Portunus dubius Rathke, 1837 Portunus valentieni Cocco, 1833 Portunus vernalis Risso, 1816