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  1. By: Anan-Yorke, Rowland. - University of Alberta.
    Publication info: 1973
    Holding Institution: University of Alberta Library
    Subjects: Acritarchs  Chitinozoa  Devonian  Ghana  Oil wells  Paleontology  
  2. By: Mao, Shaozhi, - Norris, Geoffrey. - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1988
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Acritarchs  China  Cretaceous  Dinoflagellata, Fossil  Paleontology  Tertiary  
  1. By: de Inunciaga, María Fernanda - Gutiérrez, Pedro Raul
    Type: Article
    In: Revista del Museo Argentino de Ciencias Naturales
    Date: 2011-12-01
    Subjects: Acritarchs  Argentina  Biostratigraphy  Cachipunco Formation  Jujuy  Middle-Upper Silurian  Santa Barbara Range