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Phaxas pellucidus
''Phaxas pellucidus'' or the transparent razor shell is a species of marine bivalve mollusc in the family Pharidae. It is found buried in the seabed in coastal waters of northwest Europe, often in great numbers.〔
==Description==
''P. pellucidus'' is a very small razor shell seldom exceeding in length. The colour is cream or dull white, sometimes with reddish markings. The periostracum is olive-coloured and glossy. The two elongated valves are fragile and equal in size. The dorsal side of each is straight while the ventral side is slightly curved giving a pod-like appearance.〔(A razor shell - Phaxas pellucidus ). ''Marine Life Information Network''. Retrieved August 10, 2011.〕 The anterior end is rounded while the posterior end is slightly truncate. There are fine sculptured lines parallel to the margins, which are themselves smooth. The ligament joining the valves is external and located close to the beaks which are very close to the anterior end.〔Pennant T (1777). British Zoology. 4 Crustacea, Mollusca, Testacea London, B. White. 154pp, 93pls. 〕〔(Phaxas pellucidus (Pennant, 1777) ). ''Marine Bivalve Shells of the British Isles''. Retrieved August 10, 2011.〕 ''Pharus legumen'' is a somewhat similar species but it can be distinguished by its larger size and more cylindrical outline and the differences in the hinge teeth.〔(Phaxas pellucidus (Pennant, 1777) Transparent Razor ). ''Conchological Society of Great Britain and Ireland''. Retrieved August 10, 2011.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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