Thracia phaseolina (Lamarck, 1818)
Thracioidea : Thraciidae |
| Tebble name: | Thracia phaseolina (Lamarck) |
| Smith & Heppell name: | Thracia phaseolina (Lamarck, 1818) |
To size:
To 40mm.
Shell Structure:
Brittle.
Equivalve:
Inequivalve, RV more convex than LV.
Equilateral:
Inequilateral, beaks behind midline.
Outline:
Oval, anterior part longer and higher than posterior and is flared, broadly curving to the ventral margin, which is slightly curved. Posterior is rostrate, truncate.
Sculpture:
Concentric lines and ridges covered with fine granulations which are more visible on the posterior and can only be seen at higher magnification. Shell feels smooth except posterior part.
Margin:
Smooth.
Ligament:
External and internal: External short, behind beaks; internal thick in a narrow triangular resilifer below external.
Hinge:
Lithodesma short (deeper than
villosiuscula
) in front of ligament but frequently lost.
Pallial Musculature:
Rounded to below anterior end of resilifer. Not confluent.
Periostracum:
Light brown to yellow, very thin.
Colour:
White.
Distribution & Ecology
Depth Range
Intertidal
Continental Shelf (to 200m)
Additional Information & Related Species
Related Species
Thracioidea : Thraciidae
References
Listed are literature citing Thracia phaseolina (Lamarck, 1818). Reference containing the species Type Description is highlighted.
|
Lamarck J B P A de M 1818. Histoire naturelle des Animaux sans vertèbres 5. Paris. 612pp. |
|
Soot-Ryen T 1941. Northern Pelecypods in the collection of Tromsø Museum I Order Anomalodesmacea Families Pholoadomyidae. Thraciidae and Periplomatidae. Tromsø Museums Arshefter Naturhistorisk Avd. Nr. 17. 61: 1-41, 10 pls. |
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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