Spisula solida (Linnaeus, 1758)
Tebble name: |
Spisula solida (Linnaeus) |
Smith & Heppell name: |
Spisula solida (L., 1758) |
To size: To 45mm. Shell Structure: Thick, solid. Equivalve: Equivalve. Equilateral: Almost equilateral, beaks slightly to anterior. Tumidity: Quite tumid. Outline: Trigonal. Anterior dorsal margin slightly lower than posterior to rounded anterior and posterior margins. Ventral margin broadly rounded. Contour: No gape.
Sculpture: Fine concentric lines. Growth stages clear. Margin: Smooth. Ligament: External tiny, thin, dark brown band behind beaks. Internal set in triangular chondrophore. Hinge: LV three cardinals, which extend to halfway down the hinge plate, two set in an inverted v-shape, the third just behind then, small and fragile. Single anterior and posterior laterals. RV two cardinals and double anterior and posterior laterals. Upper and lower surfaces of LV laterals and inner surfaces of RV laterals are serrated. Pallial Musculature: Shallow pallial sinus not reaching the posterior end of chondrophore. Periostracum: Very thin, light brown. Colour: White.
Record last modified: 22/03/2016