Baltisphaeridium sylhetii, (Baksi, 1962), Downie and Sarjeant, 1965

Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium.
Although Stover and Evitt, 1978 considered this to be a problematical species of Hystrichosphaeridium, Lentin and Williams, 1989 retained it in Baltisphaeridium.

Holotype: Baksi, 1962, pl.2, fig.26
Age: Eocene