Axinus grandis (Verrill & Smith 1885)
Thyasiroidea : Thyasiridae |
| Tebble name: | n/a |
| Smith & Heppell name: | Axinus grandis (Verrill, 1885) |
To size: To 25mm. Shell Structure: Very fragile. Equivalve: Equivalve. Equilateral: Equilateral. Tumidity: Moderately inflated. Outline: Quadrate, posterior dorsal margin straight sloping to truncate posterior margin; ventral margin straight or curved, junction with anterior margin narrowly rounded; anterior expanded, margin almost straight; anterior dorsal margin excavated. Contour: Posterior with a shallow sinus, median area flattened, lunule area distinct.
Sculpture: Surface irregularly undulating with prominent raised concentric lines and growth stops. Margin: Inner margin smooth. Ligament: External but sunken in a short resilifer. Hinge: Hinge plate narrow, lacking distinct teeth. Pallial Musculature: Muscle scars obscure. Periostracum: Thin, yellowish if preserved. Colour: Shell white. Additional Characters: 2 demibranchs.
Distribution & Ecology
Of very sporadic occurrence in lower bathyal and abyssal settings, may be associated with seeps.
Gross anatomy – Payne & Allen, 1991.
For related species – Oliver & Holmes, 2007.
Depth Range
Bathyal (500 - 2000m)
Abyssal Rise (2000 - 4000m)
Additional Information & Related Species
Related Species
Thyasiroidea : Thyasiridae
References
Listed are literature citing Axinus grandis (Verrill & Smith 1885). Reference containing the species Type Description is highlighted.
|
LÖFFLER S, JANSSEN s r, GÜRS k r & TAVIANI m 2005. The genus Axinus Sowerby, 1821 in the Mediterranean basin (Bivalvia: Thyasiridae). Journal of Conchology. 38: 581. |
|
Oliver P G & Holmes A M 2007. A new species of Axinus (Bivalvia: Thyasiroidea) from the Baby Bare Seamount, Cascadia Basin, NE Pacific with a description of the anatomy. Journal of Conchology. 39: 363-376. |
|
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. |
|
Verrill A E 1885. Third catalogue of Mollusca recently added to the fauna of thte New England Coast and the adjacent parts of the Atlantic, consisting mostly of deep-sea species, with notes on others previously recorded. Transactions of the Connecticut Academy of Arts and Sciences. 6: 395-452, pls 42-45. |
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.
Image Gallery
