Batiacasphaera microreticulata var. minima, Shaw Chenglong, 1999b, p.182, figs.82-83.

Holotype: Shaw Chenglong, 1999b, figs.82-83.
Age: Eocene.

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Original description: [Shaw Chenglong, 1999b]:

Description:
Cysts spherical or lenticular with a characteristic microreticulate (pseudo-granulate) surface and thick autophragm (1-1.5 μm thick);
apical archeopyle, operculum generally free, occasionally remains in place; about 43 μm wide.
No indications of paratabulation, paracingulum or parasulcus.

Dimensions:
Holotype – Overall 33 μm long, 43 μm wide, autophragm 1-1.5 μm thick, apical archeopyle 28 μm wide.

Affinities/Remarks:
The variety differs from Batiacasphaera setulosa Shaw in being substantially smaller size and in having thin autophragm.