cavichona elegans cavichona elegans cavichona elegans is a species of ciliates in the family spirochonidae. cavichona elegans scientific classification domain: eukaryota (unranked): sar (unranked): alveolata phylum: ciliophora class: phyllopharyngea subclass: chonotrichia order: exogemmida family: spirochonidae genus: cavichona species: c. elegans binomial name cavichona elegansswarczewsky, 1929