Pterodinium cingulatum subsp. reticulatum

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