Impagidinium siliciense

"siliciense" Zevenboom and Santarelli in Zevenboom, 1995, p.145-146, pl.5, figs.4,6,8. Holotype: Zevenboom, 1995, pl.5, figs.4,6,8. Name not validly published: considered a manuscript name. Age: Mid Miocene.