''Chromidina elegans'' is a species of

ciliate The ciliates are a group of alveolates characterized by the presence of hair-like organelles called cilia, which are identical in structure to flagellum, eukaryotic flagella, but are in general shorter and present in much larger numbers, with a ...

s, described in 2016. It is parasitic in the kidney appendages of the cuttlefish ''

Loligo vulgaris The European squid or common squid (''Loligo vulgaris'') is a large squid belonging to the family Loliginidae. It occurs abundantly in coastal waters from the North Sea to at least the west coast of Africa. This species lives from sea level to d ...

''. The type-locality is off

Tunisia Tunisia, officially the Republic of Tunisia, is a country in the Maghreb region of North Africa. It is bordered by Algeria to the west and southwest, Libya to the southeast, and the Mediterranean Sea to the north and east. Tunisia also shares m ...

in the Mediterranean Sea. The name of the species refers to French biologist

Édouard Chatton Édouard Chatton (; 11 October 1883 – 23 April 1947) was a French biologist who first characterized the distinction between the prokaryotic and eukaryotic cellular types. Chatton was born in Romont, Switzerland. His initial interest was ...

, who worked on species of ''

Chromidina ''Chromidina'' is a genus of apostome ciliates of the family Opalinopsidae. Species of ''Chromidina'' are parasitic in the renal and pancreatic appendages of cephalopods A cephalopod is any member of the molluscan Taxonomic rank, class Ceph ...

''.Chatton E, Lwoff A. 1935. Les Ciliés Apostomes. Morphologie, cytologie, éthologie, évolution, systématique. Première partie. Aperçu historique et général. Étude monographique des genres et des espèces. Archives de Zoologie Expérimentale et Générale, 77, 1-453.

References

Oligohymenophorea Protists described in 2016 Biota of Tunisia Parasites of molluscs Parasitic alveolates Ciliate species {{ciliate-stub