Paucisphaeridium inversibuccinum
From dinoflaj3
*inversibuccinum (Davey and Williams, 1966b, p.82, pl.12, fig.3) Bujak et al., 1980, p.32. Emendation: Bujak et al., 1980, p.32, as Paucisphaeridium inversibuccinum. Holotype: Davey and Williams, 1966b, pl.12, fig.3; Eisenack and Kjellström, 1972, p.781; Bujak et al., 1980, pl.2, figs.4–5; Fensome et al., 1995, fig.1 — p.1567; Fauconnier and Masure, 2004, pl.63, fig.1. Originally Litosphaeridium?, subsequently (and now) Paucisphaeridium. Age: early Eocene.
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