Polysphaeridium paulinae
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"?paulinae" (Valensi, 1953, p.48, pl.12, fig.6) Davey and Williams, 1969, p.6. Holotype: Valensi, 1953, pl.12, fig.6. NOW Dapsilidinium?. Originally Micrhystridium (Appendix A), subsequently Hystrichosphaeridium, thirdly Polysphaeridium?, fourthly (and now) Dapsilidinium?. Questionable assignment: Davey and Williams (1969, p.6). This combination, as a questionable assignment, was not validly published in Davey and Williams (1966b, p.95), since these authors did not fully reference the basionym. Age: Middle Jurassic.
Parent: Polysphaeridium