Batiacasphaera setulosa, Shaw Chenglong, 1999b, p.182, figs.72-77,84-86.

Holotype: Shaw Chenglong, 1999b, figs.72-73.
Age: Eocene.

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Original description: [Shaw Chenglong, 1999b]:

Description:
Cysts spherical, subspherical or lenticular with a characteristic setose surface, 2-3 μm long and thick autophragm (2-3 μm thick);
apical archeopyle, operculum generally free, occasionally remains in place.
No indications of paratabulation, paracingulum or parasulcus.

Dimensions:
Holotype – Overall 58 μm long, 51 μm wide, autophragm 2-3 μm thick, apical archeopyle 21 μm long.
Other specimens - overall 43-58 μm long, 38-58 μm wide, autophragm 2-3 μm thick, apical archeopyle 20-25 μm wide (n=7).

Affinities/Remarks:
The species differs from Batiacasphaera cassicula Wilson 1988 in being substantially smaller and in having spinule processes.