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    Some new and revised organic-walled phytoplankton microfossil genera
        | Name | Original Description | 
| 
            Loeblich, A.R. Jr. and Tappan, H. (1976)
         | 
| Name | Original Description | 
| 
            Loeblich, A.R. Jr. and Tappan, H. (1976)
         |