Species Account

Lucinella divaricata (Linnaeus, 1758)

Lucinoidea : Lucinidae

Tebble name: Divaricella divaricata (Linnaeus)
Smith & Heppell name: Lucinella divaricata (L., 1758)

To size: To 13mm. Shell Structure: Solid. Equivalve: Equivalve. Equilateral: Almost equilateral, beaks to anterior slightly. Tumidity: Fairly tumid. Outline: Almost circular, posterior dorsal margin broadly rounded, anterior dorsal margin concave. Contour: Short lunule deeply set.

Sculpture: Lines diverging from centre of shell. Growth stages clear. Margin: Finely crenulate. Ligament: Deeply inset between a quarter and a third the length of the posterior dorsal margin and about 30° angle to posterior margin. Hinge: RV one large protruding cardinal, two small laterals, LV two cardinals and double anterior and posterior laterals. Pallial Musculature: No pallial sinus, pallial line continuous. Adductors equal sized. Periostracum: Very thin, straw coloured. Colour: White.

Distribution & Ecology

Very sporadic, known only from a few localities in the SW, mostly Scilly and Channel Is.

Depth Range
Continental Shelf (to 200m)

Additional Information & Related Species


Listed are literature citing Lucinella divaricata (Linnaeus, 1758). Reference containing the species Type Description is highlighted.

Linnaeus C 1758. Systema Naturae. Editio decima. 1. Regnum Animale Holmiae, Laurentii Salvii. 824pp.


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Record last modified: 17/05/2016