Gambierdiscus toxicus

Fig. 2. SEM. Ventral view: epitheca and sulcal region.

Fig. 3. SEM. Epitheca: plate tabulation.

Fig. 4. SEM. Hypotheca: plate tabulation.

Fig. 5. SEM. Apical pore complex: characteristic fish-hook shape.

Fig. 6. Line drawing.

Fig. 7. LM. Epitheca.

Fig. 8. LM. Hypotheca.

Fig. 9. LM. Hypotheca.