Difference between revisions of "Cleistosphaeridium polypes subsp. clavulum"

Revision as of 13:24, 2 December 2016

"subsp. clavulum" (Davey, 1969a, p.154-155, pl.6, figs.9-10) Lentin and Williams, 1973, p.30.  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.