Heterosphaeridium cordiforme

cordiforme Yun Hyesu, 1981, p.46–47, pl.3, figs.4,7,10,15.  Holotype: Yun Hyesu, 1981, pl.3, fig.15; Fensome et al., 1991, fig.4 — p.629; Fauconnier and Masure, 2004, pl.35, figs.1–3.  Age: early Santonian.

Parent: Heterosphaeridium