Pterodinium cingulatum subsp. reticulatum
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subsp. reticulatum (Davey and Williams, 1966a, p.39, pl.1, fig.10; pl.2, fig.4) Lentin and Williams, 1981, p.238. Holotype: Davey and Williams, 1966a, pl.1, fig.10; pl.2, fig.4. Originally Hystrichosphaera cingulata var. reticulata, subsequently Spiniferites cingulatus subsp. reticulatus, thirdly Spiniferites? cingulatus subsp. reticulatus, fourthly (and now) Pterodinium cingulatum subsp. reticulatum. Taxonomic junior synonym: Hystrichosphaera cingulata var. perforata, according to Clarke et al. (1968, p.181). Age: Cenomanian. Parent: Pterodinium cingulatum
