Difference between revisions of "Hystrichosphaeridium asperum"
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Revision as of 13:39, 2 December 2016
"asperum" Maier, 1959, p.319, pl.33, fig.2. Emendation: Sarjeant, 1983, p.113-114, as Polysphaeridium asperum. Holotype: Maier, 1959, pl.33, fig.2. NOW Polysphaeridium. Originally Hystrichosphaeridium, subsequently Polysphaeridium?, thirdly Dapsilidinium, fourthly (and now) Polysphaeridium. Age: Mid Miocene.
Parent: Hystrichosphaeridium