Abra longicallus (Scacchi, 1835)
Tellinoidea : Semelidae |
| Tebble name: | Abra longicallus (Scacchi) |
| Smith & Heppell name: | Abra longicallus (Scacchi, 1834) |
To size:
To 19mm.
Shell Structure:
Thin, brittle.
Equivalve:
Almost equivalve.
Equilateral:
Inequilateral, beaks to the posterior.
Tumidity:
Not tumid.
Outline:
Ovate, posterior dorsal margin almost straight sloping to a narrowly rounded posterior margin, anterior dorsal margin almost straight sloping to a broadly rounded anterior margin.
Sculpture:
Concentric lines and faint radial lines. Growth stages clear.
Margin:
Smooth.
Ligament:
External small brown, arched band, internal ligament in a small elongated, triangular chondrophore.
Hinge:
LV one small cardinal and single weak laterals; RV two cardinals and single laterals.
Pallial Musculature:
Deep pallial sinus, confluent with pallial line for two thirds of its length. Cruciform muscle scars visible in some specimens.
Periostracum:
Brown.
Colour:
Creamy white.
Distribution & Ecology
Depth Range
Continental Margin Zone (200 - 500m)
Bathyal (500 - 2000m)
Additional Information & Related Species
Related Species
Tellinoidea : Semelidae
References
Listed are literature citing Abra longicallus (Scacchi, 1835). Reference containing the species Type Description is highlighted.
|
Scacchi A 1835. Notizie intorno alle conchiglie ed a’zoofiti fossili che si trouvano nelle vicinanze Gravina in Puglia. Annali Civili del Regno delle Due Sicilie. 6: 75-84. |
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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