Adams, A. (1851). A monograph of Modulus, a genus of gasteropodous Mollusca, of the family Littorinidae. Proceedings of the Zoological Society of London. (1850) 18: 203-204.
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Adams, A.
1851
A monograph of <i>Modulus</i>, a genus of gasteropodous Mollusca, of the family Littorinidae.