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Keywords from Image Description:
Radiolaria Challenger Plate . follows Plate Aulosphrida Diam Fig Aulosphra dendrophora sp The entire shell with the central capsule and its nucleus enveloped by the dark granular phodium Fig Aulosphra dendrophora sp single radial tube Fig Aulosphra sceptrophora sp hexagonal group of six triangular meshes Fig Aulosphra