Difference between revisions of "Exochosphaeridium bifidum var. involutum"

Revision as of 13:33, 2 December 2016

"var. involutum" Davey, 1969c, p.29, pl.2, figs.1-3.  Emendation: Marheinecke, 1992, p.52, as Exochosphaeridium bifidum subsp. involutum.  Holotype: Davey, 1969c, pl.2, fig.3.  Originally Exochosphaeridium bifidum var. involutum, subsequently Exochosphaeridium bifidum subsp. involutum.  Taxonomic senior synonym: Hystrichosphaeridium (now Exochosphaeridium) majus according to Peyrot (2011, p.284). The possibility of this synonymy was earlier postulated by Marheinecke (1992, p.51).  Age: Campanian-Maastrichtian.