Difference between revisions of "Impletosphaeridium polypes subsp. clavulum"

Revision as of 14:43, 2 December 2016

"subsp. clavulum" (Davey, 1969a, p.154-155, pl.6, figs.9-10) He Chengquan and Li Peng, 1981, p.65.  Holotype: Davey, 1969a, pl.6, fig.9; Fauconnier and Masure, 2004, pl.50, fig.1.  NOW Impletosphaeridium? clavulum.  Originally Cleistosphaeridium polypes var. clavulum, subsequently Cleistosphaeridium polypes subsp. clavulum, thirdly Impletosphaeridium polypes subsp. clavulum, fourthly Bacchidinium polypes subsp. clavulum, fifthly Cleistosphaeridium clavulum, sixthly Impletosphaeridium clavulum, seventhly (and now) Impletosphaeridium? clavulum.  Age: Cenomanian.