Abra nitida (Müller, 1776)Tellinoidea : Semelidae
To size: To 13mm. Shell Structure: Thin, fragile. Equivalve: Almost equivalve. Equilateral: Inequilateral, beaks to the posterior. Tumidity: Not tumid. Outline: Ovate, posterior dorsal margin short, angular giving posterior slight beak-like appearance. Anterior broadly curved.
Sculpture: Fine concentric lines. Margin: Smooth. Ligament: External small brown, arched band, internal ligament in a small elongated, spoon-shaped chondrophore. Hinge: LV one small cardinal and single weak laterals; RV two cardinals and single laterals. Pallial Musculature: Quite deep ends midway between anterior adductor and beak. Cruciform muscle scars visible in some specimens. Periostracum: Very thin. Colour: Pearlescent white.
Distribution & Ecology
Lives in a wide range of substrates in mud to muddy sand and muddy gravel.
Distributed all around the coasts of Britain and Ireland, occurring from the lower shore to the shelf edge.
Continental Shelf (to 200m)
Juveniles & Similar Species
Key Features & Similar Species
Listed are literature citing Abra nitida (Müller, 1776). Reference containing the species Type Description is highlighted.
Allen J A & Sanders H L 1966. Adaptations to abyssal life as shown by the bivalve Abra profundorum (Smith). Deep Sea Research and Oceanographic Abstracts. 13: 1175-1178.
Müller O F 1776. Zoologiae Danicae Prodromus, seu Animalium Daniae et Norvegiae Indigenarum, characteres, nomina, et synonyma imprimis popularum Havniae (Copenhagen): Typis Hallageriis. 281pp.
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