Hystrichosphaeridium asterigerum

"asterigerum" Gocht, 1959, p.67, pl.3, fig.1; pl.7, figs.1-4.  Holotype: Gocht, 1959, pl.3, fig.1; Fauconnier and Masure, 2004, pl.57, figs.1-6.  NOW Oligosphaeridium?.  Originally Hystrichosphaeridium, subsequently (and now) Oligosphaeridium?.  Taxonomic junior synonym: Hystrichosphaeridium (as Oligosphaeridium) vasiformum, according to Duxbury (1977, p.45) - however, McIntyre and Brideaux (1980, p.21) retained Hystrichosphaeridium (as Oligosphaeridium) vasiformum.  Age: Late Valanginian-Late Hauterivian.

Parent: Hystrichosphaeridium