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Illustrated Index of British Shells Plate . Loripes lucinalis Lucina spinifera Myrtea spinifera Diplodonta rotundataDiplodonta rotundataClausina ferruginosaMendicula ferruginosaClausina croulinensisAxinulus croulinensisClausina abysslicolaKelliella miliaris cite book Sowerby Illustrated index of British shells containing figures