Cleistosphaeridium sijuense, Saxena and Sarkar, 2000, p.257, pl.1, figs.7-8.

Holotype: Saxena and Sarkar, 2000, pl.1, fig.8.
Type locality: Siju, South Garo Hills, Meghalaya.
Type horizon and age: Siju Formation, Middle Eocene.
Age: Mid Eocene.

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Original description:

Diagnosis:
Cysts skolochorate, spherical-subspherical;
autophragm with numerous, nontabular, solid processes;
processes long, proximally flattend, distally narrow with pin heads or small aciculae; autophragm in between the processes smooth.
Archaeopyle apical (type TA). Operculum free.

Dimensions:
Holotype - Cyst body: 98 x 56 (without operculum); length of processes: 35-45 width of processes (proximal side): up to 4 Observed size range - Cyst body: 85-100 x 70-100 length of processes: 30-45 width of processes (proximal side): 3-5 Comparison-The present species is distinguished from the other species of Cleistosphaeridium by its long, solid processes with pin-heads or aciculae.