Fig. 2. LM. Cytoplasmic strands extend from the nucleus (near groove) to perifery of cell. Engulfed cell visible (arrowheads).
Fig. 3. LM. Asexually dividing cell.
Fig. 4. Line drawing. Ventral groove, deep and wide, houses tooth: extension of cell wall. Tentacle striated. TE=tentacle; TO=tooth; VG=ventral groove.