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  1. Morgan expeditions, 1870-71 ... on the Devonian trilobites and mollusks of Ereré, province of Pará, Brazil by Ch. Fred. Hartt and Richard Rathbun.
    By: Hartt, Charles Frederick, - Rathbun, Richard,
    Publication info: [S.l. :s.n.],1875
    Contributed by: Canadiana.org (archive.org)
    Subjects: Brazil  Devonian  Mollusks, Fossil  Paleontology  Pará  
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