Hystrichosphaeridium petilum

petilum Gitmez, 1970, p.289-290, pl.9, figs.1,6; text-fig.24.  Holotype: Gitmez, 1970, pl.9, fig.1; text-fig.24; Fauconnier and Masure, 2004, pl.45, fig.1.  Age: Early Kimmeridgian.

Parent: Hystrichosphaeridium