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†Quadrilateris Varol 1991
urn:lsid:organismnames.com:name:908295
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†Quadrilateris Varol 1991
Varol 1991. New Cretaceous and Tertiary calcareous nannofossils. Neues Jahrbuch fuer Geologie und Palaeontologie Abhandlungen, 182(2) 1991: 211-237