Thyasira biplicata (Philippi, 1836)
Thyasiroidea : Thyasiridae |
Tebble name: | n/a |
Smith & Heppell name: | n/a |
Notes on Nomenclature
To size: To 8mm. Shell Structure: Thin. Equivalve: Equivalve. Equilateral: Equilateral. Tumidity: Tumid. Outline: Ovate-polygonal; anterior dorsal margin long, steeply sloping to narrowly rounded anterior margin; ventral margin a broad curve; posterior deeply sinuose with prominent posterior and marginal sinuses. Contour: Posterior sinus and sub-marginal sinus very pronounced, auricle very high and distinctly projecting above the dorsal margin. Lunule distinct.
Sculpture: Smooth except for incremental lines and growth stops. Margin: Inner margin smooth. Ligament: External but deeply sunken within auricle. Hinge: Hinge plate narrow, a weak flange like protuberance in RV. Pallial Musculature: Muscle scars obscure. Periostracum: Thin not persisting. Colour: Shell white. Additional Characters: 2 demibranchs.
Distribution & Ecology
Depth Range
Continental Shelf (to 200m)
Additional Information & Related Species
Related Species
Thyasiroidea : Thyasiridae
References
Listed are literature citing Thyasira biplicata (Philippi, 1836). Reference containing the species Type Description is highlighted.
Killeen I J & Oliver P G 2002. Thyasira polygona (Jeffreys) (Bivalvia: Lucinoidea), an abandoned taxon with a possible amphi Atlantic distribution. Journal of Conchology. 37: 383-390. |
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. |
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. |
Philippi R A 1836. Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Vol. 1 Schropp, Berlin. 267pp, 12pls. |
Taylor J D, Williams S T & Glover E A 2007. Evolutionary relationships of the bivalve family Thyasiridae (Mollusca: Bivalvia), monophyly and superfamily status. Journal of the Marine Biological Association of the United Kingdom. 87: 565-574. |
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.