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Keywords from Image Description:
Radiolaria Challenger Plate . follows Plate Phnocalpida Cyrtocalpida Anthocyrtida et Sethocyrtida Diam Fig Bathropyramis quadrata sp Fig Sethopyramis quadrata sp Fig Bathropyramis trapezoides sp Fig Bathropyramis ramosa sp Fig Peripyramis circumtexta sp Fig Plectopyramis dodecomma sp Fig Cinclopyramis infundibulum