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Porcupine Bight : c. 700m
M012475

Lofoten, Norway
M010702

Lofoten, Norway
M010703

Lofoten, Norway
M010704

Lofoten, Norway
M010705

Porcupine Bight : c. 700m
M012476

Porcupine Bight : c. 700m
M012477

Porcupine Bight : c. 700m
M012478

Porcupine Bight : c. 700m
M012479

Porcupine Bight : c. 700m
M012480

Porcupine Bight : c. 700m
M012481
Abra longicallus (Scacchi, 1834)
''
NMW Image No.

Abra longicallus (Scacchi, 1834)

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.



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Distribution & Ecology


On the continental margin and upper slope from c.200-1000m. In oceanic muddy sand, low amounts of organic carbon.

Depth Range
Continental Margin Zone (200 - 500m)
Bathyal (500 - 2000m)


Juveniles & Similar Species

Juvenile Description

Key Features & Similar Species

Additional Comments

Tellinoidea : Semelidae

References


Listed are literature citing Abra longicallus (Scacchi, 1834). 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


Downloads

Weblinks

  • 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.

Record last modified - 25/03/2014