Plate 43

Description:

Plate 43. Prorocentrum lima. Figs. 1-3. SEM. Fig. 1. Right valve. Cells oblong to ovate with narrowed anterior. Marginal pores and scattered surface pores present; valve center devoid of pores. Intercalary band smooth and wide. Fig. 2. Left valve; bacteria attached (arrows). Fig. 3. Periflagellar area: shallow, broad, V-shaped depression on right valve. Flared periflagellar collar encircles auxiliary (a) pore (arrow); larger flagellar pore (f) adjacent (after Faust 1991). Figs. 4-7. LM. Fig. 4. Thecal pore arrangement. Fig. 5. Right valve with central pyrenoid (arrow). Fig. 6. Left valve and posterior nucleus (n). Fig. 7. Triple-layered resting cyst. (Figs. 1,2,4-7 after Faust 1993c)