Ventral view; in vivo

Descrição:

Ventral view of the small marine dysteriid ciliate, Trochilia sigmoides (Dujardin,1841).This is the type species for the genus, Trochilia.The cell outline is ovoid. The dorsum is arched with deep S-shaped grooves.The ventral surface is flat. Ciliature is restricted to the ventral surface except for a small left anterior dorsal brush.Several right somatic kineties are visible here.The ventral cytostome is supported by two stout nematodesmata (the anterior ends of which are seen here). There is a prominent posteroventral adhesive podite (seen here).Collected from tide pools at Alkai Beach,Seattle,Washington 47°35'41.87" N;122°23'17.57" W.January 2006.DIC.