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 
| |
| 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:
-
Right valve -
Left valve
The species is widespread in the Mediterranean Sea and the Atlantic littorals of Portugal and Spain.[4][5]
References
edit- ^ a b WoRMS
- ^ Encyclopedia of Life
- ^ M. A. E. MALAQUIAS Molluscan diversity caught by trawling fisheries: a case study in southern Portugal
- ^ a b Conchiglie del Mediterraneo
- ^ Cristina Tirado, José Luis Rueda and Carmen Salas Reproductive Cycles in Atlantic and Mediterranean Populations of Venus nux Gmelin, 1791 (Bivalvia: Veneridae), from Southern Spain