From Suzuki Paleotax db:
1973 Diploplegma somphum n. sp. Sanfilippo & Riedel p. 491, pl. 4, fig. 5, pl. 23, figs. 7, 8
1977 Diploplegma somphum Sanfilippo & Riedel Riedel & Sanfilippo pl. 1, fig. 2
1992 Diploplegma (?) sp. aff. D. somphum Sanfilippo & Riedel Nishimura p. 324, pl. 2, figs. 6, 10, pl. 11, fig. 10
Catalog entries: Diploplegma somphum
Remarks on original description: Partly synonymized with D. (?) sp. aff. D. somphum Nishimura by Nishimura, 1992[comment from RadWorld database]
Geological Range:
Last occurrence (top): within Paleogene Period (23.03-66.04Ma, top in Chattian stage). Data source: Lazarus et al. 2015 - "P age group"
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Lazarus et al. 2015 - "P age group"
Plot of occurrence data:
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Diploplegma somphum compiled by the radiolaria@mikrotax project team viewed: 21-6-2025
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