chromidina chattoni chromidina chattoni chromidina elegans is a species of ciliates, described in 2016. it is parasitic in the kidney appendages of the cuttlefish loligo vulgaris. the type-locality is off tunisia in the mediterranean sea. chromidina chattoni chromidina chattoni, hapantotype and parahapantotypes scientific classification (unranked): sar phylum: ciliophora class: oligohymenophorea order: apostomatida family: opalinopsidae genus: chromidina species: c. chattoni binomial name chromidina chattonisouidenne, florent and grellier, 2016 loligo vulgaris, the host of chromidina chattoni the name of the species refers to french biologist édouard chatton, who worked on species of chromidina.