Chlamylla is a genus of sea slugs, aeolid nudibranchs, marine gastropod mollusks in the family Paracoryphellidae.Korshunova T.; Fletcher K.; Martynov A. (2025). The endless forms are the most differentiated—how taxonomic pseudo-optimization masked natural diversity and evolution: the nudibranch case. Zoological Journal of the Linnean Society. Volume 204, Issue 4, August 2025.

Species Species within the genus Chlamylla according to Korshunova et al. Korshunova T., Martynov A., Bakken T., Evertsen J., Fletcher K., Mudianta W.I., Saito H., Lundin K., Schrödl M., Picton B.; (2017) Polyphyly of the traditional family Flabellinidae affects a major group of Nudibranchia: aeolidacean taxonomic reassessment with descriptions of several new families, genera, and species (Mollusca, Gastropoda). ZooKeys 717: 1-139.: Chlamylla borealis Chlamylla intermedia

Species within the genus Chlamylla according to Ekimova et al. (2026): Chlamylla borealis Chlamylla ignicrystalla (=Paracoryphella ignicrystalla ) Chlamylla intermedia Chlamylla islandica (=Paracoryphella islandica ) Chlamylla parva (=Paracoryphella parva ) Chlamylla polaris (=Polaria polaris )

Synonymised species: Chlamylla atypica synonym of Chlamylla borealis borealis

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