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Hystrichosphaeridium tubiferum ssp. ovale
From Fensome et al., 2019:
Hystrichosphaeridium tubiferum ssp. ovale Marheinecke, 1992, p.59–60, pl.10, figs.11,13–14. Holotype: Marheinecke, 1986, pl.6, figs.2– 3, as Hystrichosphaeridium tubiferum; Marheinecke, 1992, pl.10, figs.13–14; Fauconnier and Masure, 2004, pl.47, figs.8–10. Contrary to the opinion of Lentin and Williams (1993, p.337), Williams et al.
(1998, p.318) considered this name to be validly published. Age: early Maastrichtian.
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Hystrichosphaeridium tubiferum ssp. ovale Marheinecke, 1992, p.59–60, pl.10, figs.11,13–14. Holotype: Marheinecke, 1986, pl.6, figs.2– 3, as Hystrichosphaeridium tubiferum; Marheinecke, 1992, pl.10, figs.13–14; Fauconnier and Masure, 2004, pl.47, figs.8–10. Contrary to the opinion of Lentin and Williams (1993, p.337), Williams et al.
(1998, p.318) considered this name to be validly published. Age: early Maastrichtian.
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