Hyotissa mcgintyi (Harry, 1985)
Ostreoidea : Gryphaeidae | Non-native |
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To size: To 100mm. Shell Structure: Thin but robust shell, fragile at the edges. Magnified the external rim of the internal shell has a lot of tiny holes to give a honeycomb structure. Equivalve: Equivalve. Equilateral: Almost equilateral. Tumidity: Flattened. Outline: Irregular circle to D-shaped. Left valve cemented to hard surface.
Sculpture: Irregular lumps and bumps. Sometimes with short spines. Margin: Irregular crinkles, fragile. Ligament: Triangular, alivincular ligament. Hinge: Dorsal margin often almost straight. Anterior and poster of ligament are crural teeth, more numerous in adults. Pallial Musculature: Monomyarian, posterior adductor muscle is circular. Colour: External cream to pink, internal white, edges of internal are cream.
Distribution & Ecology
In Britain and Ireland it has been at Chesil Beach, Dorset.
Depth Range
Additional Information & Related Species
References
Resources
