Biodiversity Heritage Library
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Subject "Jellyfishes, Fossil"
By: Walcott, Charles D. (Charles Doolittle),
Publication info: Washington,Govt. print. off.,1898.
Holding Institution: MBLWHOI Library
Subjects: Jellyfishes, Fossil
Pennsylvanian invertebrates of the Mazon Creek area, Illinois: the Essex fauna and medusae / Ralph Gordon Johnson -- and Eugene S. Richardson, Jr. --
By: Johnson, Ralph Gordon, - Richardson, Eugene Stanley,
Publication info: [Chicago] :Field Museum Press ,1968.
Holding Institution: University Library, University of Illinois Urbana Champaign
Subjects: Essex Illinois Jellyfishes, Fossil Paleontology Pennsylvanian