Hystrichosphaeridium latirictum
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"?latirictum" Davey and Williams, 1966b, p.66–67, pl.10, fig.8. Holotype: Davey and Williams, 1966b, pl.10, fig.8; Bujak et al., 1980, pl.8, figs.4–5. NOW Minisphaeridium. Originally Hystrichosphaeridium, subsequently Hystrichosphaeridium?, thirdly (and now) Minisphaeridium. Questionable assignment: Bujak et al. (1980, p.46). Taxonomic junior synonyms: Cordosphaeridium minimum (al. Cordosphaeridium inodes subsp. minimum) according to Fensome et al. (2009, p.44) — the epithet latirictum has priority at specific rank over the epithet minimum; Litosphaeridium? parvum, according to Fensome et al. (2009, p.44). Age: early Eocene.
Parent: Hystrichosphaeridium