Surculosphaeridium calicigerum

"?calicigerum" (de Coninck, 1986b, p.10, pl.1, figs.8-13) Stover and Williams, 1995, p.102.  Emendation: Michoux and Masure in Fauconnier and Masure, 2004, p.63.  Holotype: de Coninck, 1986b, pl.1, figs.11-13; Fauconnier and Masure, 2004, pl.7, figs.1-3.  NOW Areosphaeridium.  Originally Areosphaeridium?, subsequently Surculosphaeridium?, thirdly (and now) Areosphaeridium.  Questionable assignment: Stover and Williams (1995, p.102).  Age: Late Eocene (Tongrian).

Parent: Surculosphaeridium