Mya arenaria Linnaeus, 1758
Myoidea : Myidae
Inequivalve, RV slightly more convex than LV.
Subequilateral beaks at or just in front of the midline.
Subelliptical, elongate; anterior broadly rounded, ventral rather straight; posterior ventral and posterior dorsal tapering to a narrowly rounded almost pointed posterior.
Sculpture: Of co-marginal lines and low ridges with scattered faint radial lines. Margin: Inner margin smooth. Ligament: Primarily internal on a large spoon shaped projecting chondrophore in LV and corresponding concealed resilifer beneath the umbo in RV. Small external part, concealed and attached to posterior part of chondrophore. Hinge: Hinge without teeth. Pallial Musculature: Pallial sinus deep extending to beneath the beaks, lower arm not confuent with pallial line. Periostracum: Periostracum thin, straw coloured. Colour: Shell white.
Distribution & Ecology
Continental Shelf (to 200m)
Additional Information & Related Species
Myoidea : Myidae
Listed are literature citing Mya arenaria Linnaeus, 1758. Reference containing the species Type Description is highlighted.
Linnaeus C 1758. Systema Naturae. Editio decima. 1. Regnum Animale Holmiae, Laurentii Salvii. 824pp.
Strasser M. 1999. Mya arenaria—an ancient invader of the North Sea coast. Helgoländer Meeresuntersuchungen. 52: 309–324.
Vermeij GJ 2005. From Europe to America: Pliocene to Recent trans-Atlantic expansion of cold-water North Atlantic molluscs. Proceedings of the Royal Society B, Biological Sciences. 272(1580): 2545–2550.
- Conchological Society
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