Ventral surface, 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 (visible at the shallow notch in this view.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 end-on here.Collected from tide pools at Alkai Beach,Seattle, Washington 47°35'41.87" N;122° 23'17.57" W.January 2006.DIC.