ID Keys
*Images in development


Beaks central
Pharus legumen
Beaks close to the anterior
Go to #2
Dorsal margin straight, ventral margin curved, anterior rounded
Phaxas pellucidus
Both margins straight or curved
Go to #3
Both margins straight
Go to #4
Both margins curved
Go to #6
Anterior margin with a distinct sulcus
Solen marginatus
Anterior margin lacking a sulcus
Go to #5
Posterior aperture oval in profile, articulated valves have dorsal edges parallel
Ensis siliqua
Posterior aperture lozenge shaped in profile, articulated valves have dorsal edges diverging
Ensis minor
Pallial sinus S-shaped, valves relatively broad (L:B = 6:1)
Ensis directus
Pallial sinus U-shaped, valves relatively narrow (L:B ≥ 8:1)
Go to #7
Valves weakly curved, (L:B = 8:1)
Ensis magnus
Valves strongly curved, narrow (L:B ≥ 8.5:1)
Ensis ensis