Ostrea edulis Linnaeus,1758
Ostreoidea : Ostreidae
To size: To 100mm. Shell Structure: Solid becoming heavy. Equivalve: Inequivalve; lower valve shallowly cupped; upper valve flat. Equilateral: Inequilateral. Outline: Irregularly subcircular to suboval; lower valve with irregular extensions and irregularly fluted, upper valve more regular.
Sculpture: Upper valve with irregular co-marginal ridges, some radial ribbing and often foliaceous; lower valve with stronger radiating ribs and riblets with scales at intersections with co-marginal ridges. Margin: Ostreiine chomata on margins close to ligament, smooth elsewhere. Ligament: Alivincular, internal on a shallow triangular resilifer. Pallial Musculature: Adductor scar kidney shaped, colour as shell, white. Colour: Upper valve mostly yellowish through pale brown to greenish brown with darker to purplish markings. Lower valve similar but paler. Internal white.
Distribution & Ecology
The current status of this species in the UK can be found at <http://www.ukbap.org.uk/UKPlans.aspx?ID=495>
Continental Shelf (to 200m)
Additional Information & Related Species
Key Features & Similar Species
Ostreoidea : Ostreidae
Listed are literature citing Ostrea edulis Linnaeus,1758. Reference containing the species Type Description is highlighted.
Linnaeus C 1758. Systema Naturae. Editio decima. 1. Regnum Animale Holmiae, Laurentii Salvii. 824pp.
- Conchological Society
of Great Britain & Ireland
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- Malacological Society
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- Census of Marine Life
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