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
Depth Range
Continental Shelf (to 200m)
Continental Margin Zone (200 - 500m)
Additional Information & Related Species
Related Species
Crassatelloidea : Astartidae
References
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. |
Resources
- Conchological Society
of Great Britain & Ireland
Provides resources for understanding, identifying, recording, and conserving molluscs - CLEMAM
Check List of European Marine Mollusca - MarLIN
The Marine Life Information Network for Britain and Ireland (MarLIN) provides information for marine environmental management, protection and education. It is a centre of excellence in spatially based and time-series marine biological information and supports good stewardship in the marine environment. - NBN Gateway
National Biodiversity Network's Gateway. Use it to explore UK biodiversity data, as contributed by participating data providers. - BivAToL
- MarBEF
- Malacological Society
- Unitas Malacologica
- Census of Marine Life
- MarBEF
MarBEF, a network of excellence funded by the European Union and consisting of 94 European marine institutes, is a platform to integrate and disseminate knowledge and expertise on marine biodiversity, with links to researchers, industry, stakeholders and the general public.
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