Thyasira dunbari Lubinsky, 1976
Thyasiroidea : Thyasiridae |
| Tebble name: | n/a |
| Smith & Heppell name: | n/a |
To size: To 6mm. Shell Structure: Thin shelled. Equivalve: Equivalve. Equilateral: Equilateral (large shells becoming expanded anteriorly). Tumidity: Moderate. Outline: Rhomboidal; anterior dorsal margin sloping steeply, rather long and with a short truncation before the anterior junction; ventral rounded, posterior weakly biangulate but scarcely sinuous; posterior subacute; posterior dorsal slope rather straight and angled close to the beak. Contour: Posterior area flattened, in some weakly sunken; auricle absent, submarginal sulcus distinct margin sharp.
Sculpture: Smooth with growth lines and stops only. Margin: Inner margin smooth. Ligament: External, deeply sunken about half the length of submarginal sulcus. Hinge: Hinge plate narrow lacking distinct teeth but some with cardinal thickening in RV. Pallial Musculature: Muscle scars obscure. Periostracum: Not persistent. Colour: Shell white. Additional Characters: 2 demibranchs.
Distribution & Ecology
Depth Range
Continental Shelf (to 200m)
Continental Margin Zone (200 - 500m)
Bathyal (500 - 2000m)
Additional Information & Related Species
Additional Comments
Related Species
Thyasiroidea : Thyasiridae
References
Listed are literature citing Thyasira dunbari Lubinsky, 1976. Reference containing the species Type Description is highlighted.
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Lubinsky I 1976. Thyasira dunbari n. sp. (Bivalvia: Thyasiridae) from the Canadian Arctic Archipelago. Journal of the Fisheries Research Board of Canada. 33: 1667-1670. |
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Oliver P G & Killeen I J 2002. The Thyasiridae (Mollusca: bivalvia) of the British continental shelf and North Sea Oilfields. Studies in Marine Biodiversity and Systematics from the National Museum of Wales. BIOMOR Reports. 3: 1-73. |
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Payne C.M. & Allen J.A. 1991. The morphology of deep-sea Thyasiridae (Mollusca: Bivalvia) from the Atlantic Ocean. Philosophical Transactions of the Royal Society of London Series B. 334: 481-566. |
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Włodarska-Kowalczuk M 2007. Molluscs in Kongsfjorden (Spitsbergen, Svalbard): a species list and patterns of distribution and diversity. Polar Research. 26: 48-63. |
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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