cavichona cavichona cavichona is a genus of ciliates in the family spirochonidae. cavichona scientific classification domain: eukaryota (unranked): sar (unranked): alveolata phylum: ciliophora class: phyllopharyngea subclass: chonotrichia order: exogemmida family: spirochonidae genus: cavichonajankowski, 1973 species cavichona cincinnata jankowski, 1973 (type) cavichona elegans swarczewsky 1929