Polysphaeridium pastielsii

"pastielsii" Davey and Williams, 1966b, p.92–93, pl.4, fig.10.  Holotype: Davey and Williams, 1966b, pl.4, fig.10; Eisenack and Kjellström, 1972, p.923; Bujak et al., 1980, pl.6, figs.6,9; Fensome et al., 1995, fig.1 — p.1647; Fauconnier and Masure, 2004, pl.19, figs.17–19.  NOW Dapsilidinium.  Originally Polysphaeridium, subsequently (and now) Dapsilidinium.  Taxonomic junior synoym: Polysphaeridium (now Dapsilidinium) pseudocolligerum according to Mertens et al. (2014, p.532) — however, Fensome et al., in press retained Dapsilidinium pseudocolligerum as a separate species.  Age: early Eocene.

Parent: Polysphaeridium