Thyasira (Thyasira) gouldi (Philippi, 1845)
Thyasiroidea : Thyasiridae |
| Tebble name: | n/a |
| Smith & Heppell name: | Thyasira gouldi (Philippi, 1845) |
To size: To 10mm. Shell Structure: Thin. Equivalve: Equivalve. Equilateral: Equilateral. Tumidity: Moderate. Outline: Ovate, higher than long; anterior variable some with a distinct excavated lunule and a short subtruncate part giving a weakly angulate profile, others with a more steeply sloping rather straight margin; ventral rounded; posterior bisinuate, marginal sinus less prominent than posterior sinus. Contour: Auricle weakly projecting about half length of submarginal sulcus; posterior sinus prominent, posterior fold distinct but rounded. Larval shell distinct, large 205-270microns.
Sculpture: Smooth except for concentric growth lines and growth stops. Margin: Smooth. Ligament: External, sunken extending to half length of auricle. Hinge: Weak, a small cardinal peg in RV, LV with a corresponding depression. Pallial Musculature: Muscle scars obscure. Periostracum: Thin not persistent. Colour: Shell white. Additional Characters: 2 demibranchs.
Distribution & Ecology
Gill anatomy – Dufour, 2005
Ecology in Scotland – Blacknell, 1973; Blacknell & Ansell, 1974,1975.
Depth Range
Continental Shelf (to 200m)
Additional Information & Related Species
Additional Comments
160-180 microns in T. flexuosa
205-270 micronsin T. gouldi
Related Species
Thyasiroidea : Thyasiridae
References
Listed are literature citing Thyasira (Thyasira) gouldi (Philippi, 1845). Reference containing the species Type Description is highlighted.
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Blacknell W M 1973. Aspects of the biology of Thyasira gouldi (Philippi) and its copepod parasite Axinophilus thyasirae (Bresciani & Ockelmann) PH.D Thesis; University of Stirling. |
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Blacknell W M & Ansell A D. 1974. The direct development of the bivalve Thyasira gouldi. Thalassia jugoslavia. 10: 23-43. |
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Blacknell W M & Ansell A D. 1975. Features of the reproductive cycle of an arctic bivalve from a Scottish sea loch. Publicazione della Stazione Zoologica di Napoli . 39: 26-52. |
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Dufour S C 2005. Gill anatomy and the evolution of symbiosis in the bivalve family Thyasiridae. Biological Bulletin. 208: 200-212. |
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Killeen I.J. & Oliver P.G 2002. The taxonomic and conservation status of Thysira gouldi (Philippi, 1844), the northen hatchet shell intest British waters. Journal of Conchology. 37: 391-402. |
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Ockelmann K 1958. The zoology of East Greenland: marine lamellibranchiata. Meddeleseler on Grønland. 122: 1-256. |
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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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Philippi R A 1845. Bemerkungen über die Molluskenfauna von Massachusetts. Zeitschrift für Malakozoologie. 1845: 68-79. |
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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