Achomosphaera alcicornu
From dinoflaj3
alcicornu (Eisenack, 1954b, p.65, pl.10, figs.1–2; text-fig.5) Davey and Williams, 1966a, p.50. Holotype: Eisenack, 1954b, pl.10, fig.2. Originally Hystrichosphaeridium, subsequently (and now) Achomosphaera. Taxonomic junior synonyms: Galea lychnea and Hystrichosphaeridium leptodermum, both according to Sarjeant (1983, p.100–101). May (1980, p.64) considered Hystrichosphaera (as Spiniferites) pseudofurcatus to be the possible taxonomic senior synonym of this species. Age: Oligocene.
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