Litosphaeridium inversibuccinum

"?inversibuccinum" Davey and Williams, 1966b, p.82, pl.12, fig.3.  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, p.1567; Fauconnier and Masure, pl.63, fig.1.  NOW Paucisphaeridium.  Originally Litosphaeridium?, subsequently (and now) Paucisphaeridium.  Questionable assignment: Davey and Williams (1966b, p.82).  N.I.A.  Age: early Eocene.

Parent: Litosphaeridium