Ensis minor

Ensis minor, or the jackknife clam, is a long, smooth-shelled, burrowing clam found in the Atlantic Ocean. These clams are often collected for food. Ensis minor can grow up to 17 cm (6.7 in) in length. It is white, sometimes with reddish-brown markings.

Right and left valve of the same specimen:

• 
  Right valve
• 
  Left valve

Ensis minor
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Adapedonta
Superfamily:	Solenoidea
Family:	Pharidae
Genus:	Ensis
Species:	E. minor
Binomial name
Ensis minor (Chenu, 1843)[1]