Litosphaeridium mamellatum

"?mamellatum" de Coninck, 1977, p.42, pl.6, figs.8–13.  Holotype: de Coninck, 1977, pl.6, figs.8–10.  Questionable assignment: de Coninck (1977, p.42).  Taxonomic senior synonym: Cystidiopsis certis Nagy, 1965, an acritarch species, according to Lucas-Clark (1984, p.184).  Age: early-middle Eocene.

Parent: Litosphaeridium