Difference between revisions of "Dapsilidinium asperum"

Revision as of 13:28, 2 December 2016

"asperum" (Maier, 1959, p.319, pl.33, fig.2) Bujak et al., 1980, p.28.  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.