Venus nux is a species of saltwater clam. They are marine bivalve molluscs in the family Veneridae, sometimes known as the venus clams.[1][2][3]

Venus nux
Fossil right valve of V. nux from Pliocene of Italy
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Venerida
Family: Veneridae
Genus: Venus
Species:
V. nux
Binomial name
Venus nux
Gmelin, 1791

Venus nux can reach a size of 30–45 mm (1.2–1.8 in). The shells are globular, with dense, concentric ribs on the surface.[1][4]

Right and left valve of the same specimen:

The species is widespread in the Mediterranean Sea and the Atlantic littorals of Portugal and Spain.[4][5]

References edit