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Keywords from Image Description:
Radiolaria Challenger Plate . follows Plate Tympanida Diam Fig Tympanidium foliosum sp Fig Octotympanum cervicorne sp Fig Octotympanum octonarium sp Fig Tympaniscus quadrupes sp Fig Tympaniscus dipodiscus sp Frontal view Fig Tympaniscus dipodiscus sp Lateral view Fig Tympaniscus tripodiscus sp Frontal view Fig