Callaiosphaeridium asymmetricum subsp. latum

subsp. latum Heilmann-Clausen in Heilmann-Clausen and Thomsen, 1995, p.290–291, pl.14, figs.3–4; text-fig.13.  Holotype: Heilmann-Clausen and Thomsen, 1995, pl.14, fig.3; text-fig.13.  Age: early Barremian.

Parent: Callaiosphaeridium asymmetricum