FIGURE 5. Uorticella ampullaria n in Description of Two New Species of the Genus Vorticella (Ciliophora: Peritrichia) Epibionts on Pomacea canaliculata (Mollusca: Ampullariidae: Gastropoda) in Southern Brazil

FIGURE 5. Uorticella ampullaria n. sp. silver nitrate-stained specimens and SEM photomicrographs: A. Picture showing details of the pores on the pellicle (arrow) (Bar 2 µm). B. SEM micrograph of the zooid showing the trochal band (arrow) (Bar 2.5 µm). C. Silver nitrate-stained zooid showing the silver lines on the pellicle (arrow) (Bar 4 µm). D. Silver nitrate-stained zooid showing the macronucleus (MAC), scopula(SC), and somatic myonemes (arrowhead).