Kallosphaeridium spongiosum

?spongiosum Batten and Lister, 1988, p.344–345, figs.4e–h.  Holotype: Batten and Lister, 1988, figs.4e–g.  Questionable assignment: Batten and Lister (1988, p.344).  Age: late Hauterivian.

Parent: Kallosphaeridium