Species Account

Digitaria digitaria (Linnaeus, 1758)

Crassatelloidea : Astartidae

Tebble name: n/a
Smith & Heppell name: Digitaria digitaria (L., 1758)

To size: To 10 mm. Shell Structure: Solid. Equivalve: Equivalve. Equilateral: Subequilateral, beaks just in front of midline. Tumidity: Somewhat compressed. Outline: Subcircular-subtrigonal, height = length; posterior sloping more steeply than anterior and curving gently; ventral broadly curved; anterior broadly curved. Contour: Umbos low; escutcheon and lunule indistinct.

Sculpture: Of acentric grooves of decreasing spacing towards the margin. Margin: Inner margin smooth. Ligament: External, as an arched band behind the beaks. Hinge: RV with 3 cardinals, median large triangular, others laminar; anterior lateral groove prominent, posterior lateral ridge weak. LV with 2 cardinal teeth; anterior lateral ridge weak, posterior lateral groove prominent. Pallial Musculature: Pallial line entire. Periostracum: Persistent, yellowish brown in colour, frequently with weak radial rays of a darker hue. Colour: White tinged pale brown.

Distribution & Ecology

A southern species recorded as far north as the Cantabrian coast of Spain

Depth Range
Continental Shelf (to 200m)
Continental Margin Zone (200 - 500m)

Additional Information & Related Species


Listed are literature citing Digitaria digitaria (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