Ensis siliqua (Linnaeus, 1758)
Solenoidea : Pharidae
|Tebble name:||Ensis siliqua (Linnaeus)|
|Smith & Heppell name:||Ensis siliqua (L., 1758)|
To size: To 200mm. Shell Structure: Brittle. Equivalve: Equivalve. Equilateral: Inequilateral, beaks at the anterior end. Tumidity: Slender. Outline: Ensiform, dorsal and ventral margins straight, parallel; Anterior and posterior truncate. Posterior gape oval in cross section.
Sculpture: Of co-marginal lines and growth stops. Margin: Inner margin smooth. Ligament: External, a long narrow brown/black band behind the beaks. Hinge: LV with two rather bulbous cardinals and two laminar posterior laterals, one lying above the other; RV with a single laminar cardinal and a single posterior lateral. Pallial Musculature: Pallial sinus U-shaped, separation of posterior adductor scar and pallial sinus equal to or slightly less than length of adductor scar. Anterior adductor scar exceeding length of ligament; pedal retractor muscle posterior to end of ligament. Periostracum: Greenish becoming darker and brown at the margins. Colour: Dirty white, cream, grayish some banded reddish brown.
Distribution & Ecology
Continental Shelf (to 200m)
Additional Information & Related Species
Solenoidea : Pharidae
Listed are literature citing Ensis siliqua (Linnaeus, 1758). Reference containing the species Type Description is highlighted.
Holme N A 1951. The identification of British species of the genus Ensis Schumacher (Lamellibranchiata). Journal of the Marine Biological Association of the United Kingdom. 29: 639-647.
Holme N A 1954. The ecology of British species of Ensis. Journal of the Marine Biological Association of the United Kingdom. 33: 145-172.
Linnaeus C 1758. Systema Naturae. Editio decima. 1. Regnum Animale Holmiae, Laurentii Salvii. 824pp.
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