Modiolus modiolus (Linnaeus, 1758)
Mytiloidea : Mytilidae
To size: To 220mm. Shell Structure: Thin but robust. Equivalve: Equivalve. Equilateral: Strongly inequilateral, beaks very close to the anterior margin. Tumidity: A little inflated, umbos low. Outline: Modioliform, oblong; ligament margin straight sloping gently and weakly angled with generally curved posterior dorsal margin; posterior rounded; ventral straight but a little sinuous; anterior narrowly curved, indistinct from ventral to slightly protruding.
Sculpture: Smooth with comarginal lines and growth stops. Margin: Smooth. Ligament: Deeply sunken extending for about 2/3 of the ligament margin. Hinge: Hinge plate narrow, smooth. Pallial Musculature: Obscure. Periostracum: Of densely spaced, long, simple bristles arising from concentric fringes; often worn and encrusted with sand grains and shell fragments. Colour: Periostracum black, chestnut brown to pale brown, bristles pale brown. Internal lustrous, white often with some brown, pink or purplish shading.
Distribution & Ecology
See http://www.ukbap.org.uk/UKPlans.aspx?ID=37 for a review of ecology and conservation status.
Continental Shelf (to 200m)
Additional Information & Related Species
Mytiloidea : Mytilidae
Listed are literature citing Modiolus modiolus (Linnaeus, 1758). Reference containing the species Type Description is highlighted.
Linnaeus C 1758. Systema Naturae. Editio decima. 1. Regnum Animale Holmiae, Laurentii Salvii. 824pp.
- Conchological Society
of Great Britain & Ireland
Provides resources for understanding, identifying, recording, and conserving molluscs
Check List of European Marine Mollusca
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.
- Malacological Society
- Unitas Malacologica
- Census of Marine Life
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