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By: Milne-Edwards, Alphonse,Edition:Publication info: Paris, Impr. nationale, 1873Volume:Series:Holding Institution: Naturalis Biodiversity CenterSubjects: Crustacea Mexico XiphosuraBHL Collections:
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By: Packard, A. S. (Alpheus Spring), - National Academy of Sciences (U.S.)Edition:Publication info: Washington, G.P.O, 1886Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: Carboniferous Paleontology XiphosuraBHL Collections: