Argopecten gibbus (Linnaeus, 1758)
Pectinoidea : Pectinidae
To size: To 52 mm. Shell Structure: Thin, solid. Equivalve: Equivalve. Equilateral: Equilateral. Tumidity: Tumid. Outline: Broadly fan shaped, auricles sub-equal. Cteniolum with 2 teeth.
Sculpture: Broad radial ribs with fine concentric lines. Margin: Coarsely crenulated margin, extensions of radial ribs. Ligament: Small triangular, internal. Hinge: Edentulous, but some crural teeth may be present in adults. Pallial Musculature: Monomyarian large circular posterior adductor muscle. Colour: Creamy white, tinged with pale pink internally, orange to pink mottling externally.
Distribution & Ecology
In Britain and Ireland it has been found inside a small blue toy boat that washed ashore in Co. Clare, Ireland, along with one specimen of Anadara transversa.
Additional Information & Related Species
Pectinoidea : Pectinidae
Listed are literature citing Argopecten gibbus (Linnaeus, 1758). Reference containing the species Type Description is highlighted.
Dall W.H. 1925. Notes on the nomenclature of some of our East American species of PEcten with descriptions of new species. Nautilus. 38: 112-120.
Dijkstra H.H. 1999. Type specimens of the Pectinidae (Mollusca: Bivalvia) described by Linnaeus (1758-1771). Zoological Journal of the Linnean Society. 125: 383-443.
Grau G. 1952. A new subspecies of Pecten (Plagioctenium) gibbus (Linné). The Nautilus. 66(2): 69.
Grau G. 1952. Pecten (Plagioctenium) gibbus portusregii, new name. The Nautilus. 66(2): 69.
Linnaeus C 1758. Systema Naturae. Editio decima. 1. Regnum Animale Holmiae, Laurentii Salvii. 824pp.
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