Cochlodesma praetenue (Pulteney, 1799)
Thracioidea : Periplomatidae |
| Tebble name: | Cochlodesma praetenue (Pulteney) |
| Smith & Heppell name: | Cochlodesma praetenue (Pulteney, 1799) |
To size:
To 38 mm.
Shell Structure:
Thin, fragile.
Equivalve:
Inequivalve, right valve impedes slightly on left.
Equilateral:
Inequilateral, beaks to posterior.
Outline:
Oval, subtruncate. The anterior dorsal margin broadly curved to ventral margin. Posterior dorsal margin much lower and almost straight to the truncate posterior margin. Truncate area tends to stay covered in periostracum giving a shaded area which stands out.
Sculpture:
Fine concentric grooves and thin raised ridges. Thin crack on beak gives the identifying character for it to be put in
Cochlodesma
.
Margin:
Smooth.
Ligament:
Internal part on an oval shaped, protruding resilifer, external is thin, tiny streak either side of the beaks.
Hinge:
No laterals or cardinals and no hinge plate. Resilifer protrudes downwards and is oval.
Pallial Musculature:
Pallial sinus fairly deep, to beneath beak and not confluent with pallial line.
Periostracum:
Thin, beige/cream.
Colour:
White.
Distribution & Ecology
Depth Range
Intertidal
Continental Shelf (to 200m)
Additional Information & Related Species
Related Species
Thracioidea : Periplomatidae
References
Listed are literature citing Cochlodesma praetenue (Pulteney, 1799). Reference containing the species Type Description is highlighted.
|
Allen J A 1958. Observations on Cochlodesma praetenue (Pulteney) (Eulamellibranchia). Journal of the Marine Biological Association of the United Kingdom. 37: 97-112. |
|
Allen J A 1960. The ligament of Cochlodesma praetenue (Pulteney). Journal of the Marine Biological Association of the United Kingdom. 39: 445-447. |
|
Pulteney R 1799. Catalogue of the birds, shells, and some of the more rare plants of Dorsetshire London, Nichols. 92pp. |
|
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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