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  1. A monograph on the genera Zethus, Cybele, Encrinurus, and Cryptonymus.
    By: Vogdes, Anthony Wayne,
    Publication info: Charleston, S.C. :[s.n.],1878.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Arthropoda, Fossil  Invertebrates, Fossil  Paleontology  Trilobites  
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  2. On the Cambrian faunas of North America preliminary studies /
    By: Walcott, Charles D. (Charles Doolittle), - United States. Geological Survey.
    Publication info: Washington :G.P.O.,1884.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Arthropoda, Fossil  Cambrian  Canada  Paleontology  United States  
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  3. Pennsylvanian invertebrates of the Mazon Creek area, Illinois. Trilobitomorpha arthropleurida, II /
    By: Richardson, Eugene Stanley, - Chicago Natural History Museum.
    Publication info: [Chicago] :Chicago Natural History Museum Press ,1959.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Arthropoda, Fossil  Illinois  Paleontology  Pennsylvanian  
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  4. Second contribution to the studies on the Cambrian faunas of North America
    By: Walcott, Charles D. (Charles Doolittle), - United States. Geological Survey.
    Publication info: Washington :G.P.O.,1886.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Arthropoda, Fossil  Cambrian  Cambrien  Canada  Paleontology  United States  
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  5. Some remarks on the classification of the trilobites, as influenced by stratigraphical relations with outline of a new grouping of these forms /
    By: Chapman, E. J. (Edward John), - Royal Society of Canada.
    Publication info: S.l. :s.n.,1889?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Arthropoda, Fossil  
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  6. Über die Palæaden oder die sogenannten Trilobiten
    By: Dalman, J. W. (Johan Wilhelm),
    Publication info: Nürnberg :J. L. Schrag,1828.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Arthropoda, Fossil  Trilobites  
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