Tropidomya abbreviata (Forbes, 1843)
Verticordioidea : Cuspidariidae |
| Tebble name: | Cuspidaria (Tropidomya) abbreviata (Forbes) |
| Smith & Heppell name: | Cuspidaria abbreviata (Forbes, 1843) |
To size:
To 10mm.
Shell Structure:
Fragile, hyaline.
Equivalve:
Equivalve.
Equilateral:
Equilateral, beaks more or less on the midline.
Tumidity:
Moderately inflated.
Outline:
Body of shell subovate; anterior dorsal margin slightly concave, anterior broadly rounded, ventral curved. Rostrum short, bluntly triangular, dorsal slope straight, ventral margin weakly concave corresponding to weak sulcus at junction of rostrum and body.
Sculpture:
Of distantly spaced concentric undulations and very fine concentric striations on body of shell; Rostrum demarcated by a single sharp carina, otherwise mostly smooth.
Margin:
Inner margin smooth.
Ligament:
Internal, on a very shallow chondrophore lying close to the dorsal margin and supported by a large lithodesma.
Hinge:
Both valves with a small cardinal peg in front of the chondrophore. Lithodesma prominent.
Pallial Musculature:
Indistinct.
Periostracum:
Very thin, obscure.
Colour:
Greyish-white.
Additional Characters:
In both valves a large, flat, semi-circular ‘buttress’ lies within spout parallel to the dorsal margin.
Distribution & Ecology
Depth Range
Continental Shelf (to 200m)
Continental Margin Zone (200 - 500m)
Bathyal (500 - 2000m)
Additional Information & Related Species
Related Species
Verticordioidea : Cuspidariidae
References
Listed are literature citing Tropidomya abbreviata (Forbes, 1843). Reference containing the species Type Description is highlighted.
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Allen J A & Morgan R E 1981. The functional morphology of Atlantic deep water species of the families Cuspidariidae and Poromyidae (Bivalvia): an analysis of the evolution of the septibranch condition. Philosophical Transactions of the Royal Society of London Series B. 294: 413-546. |
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Forbes E 1843. On the species of Neaera (Gray) inhabiting the Egean Sea XI. Proceedings of the Zoological Society London. 75. |
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Olabarria C. 2005. Patterns of bathymetric zonation of bivalves in the Porcupine Sea Bight and adjacent abyssal plain, NE Atlantic. Deep-Sea Research I. 52: 15-31. |
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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