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Gorkaea operio Varol & Girgis, 1994
Varol, O. & Girgis, M. 1994. New taxa and taxonomy of some Jurassic to Cretaceous calcareous nannofossils. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen. 192: 221-253.
Gorkaea operio
Varol & Girgis, 1994
Late Albian
British Sector, North Sea