Hystrichosphaeridium asperum
From dinoflaj3
Revision as of 20:26, 21 December 2016 by Maintenance script (Talk | contribs)
"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: middle Miocene.
Parent: Hystrichosphaeridium