The choreotrichs are a group of small marine ciliates. Their name reflects the impression that they appear to dance ('choreo' as in choreography). The...

Tintinnids are ciliates of the choreotrich order Tintinnida, distinguished by vase-shaped shells, the name deriving from a Latin source meaning a small...

in freshwater. Again, they are generally divided into oligotrichs and choreotrichs, but were originally all considered oligotrichs. The latter group includes...

cilia, which are arranged as a collar and lapel, in contrast to the choreotrichs where they form a complete circle. The body cilia are reduced to a girdle...

oligotrich ciliates of the family Strombidiidae (order Oligotrichida) and choreotrich ciliates of the families Strobilidiidae and Strombidinopsidae (order...