Polysphaeridium rhabdophorum
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"?rhabdophorum" (Valensi, 1955b, p.593, pl.3, fig.7) Davey and Williams, 1969, p.7. Holotype: Valensi, 1955b, pl.3, fig.7; Fauconnier and Masure, 2004, pl.20, figs.10-11. NOW Exochosphaeridium. Originally Hystrichosphaeridium, subsequently Polysphaeridium?, thirdly Dapsilidinium?, fourthly (and now) Exochosphaeridium. Questionable assignment: Davey and Williams (1969, p.7). 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: Late Cretaceous.
Parent: Polysphaeridium