Telotroch
Encyclopedia
Telotroch is the free-swimming stage of members of the order Sessilida. Sessilida are ciliate
Ciliate
The ciliates are a group of protozoans characterized by the presence of hair-like organelles called cilia, which are identical in structure to flagella but typically shorter and present in much larger numbers with a different undulating pattern than flagella...

 protozoa
Protozoa
Protozoa are a diverse group of single-cells eukaryotic organisms, many of which are motile. Throughout history, protozoa have been defined as single-cell protists with animal-like behavior, e.g., movement...

 of the subclass Peritrichia.

A sessile individual can turn into a motile one to migrate to a better place.
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