Pteraeolidia
Introduction '''''Pteraeolidia''''' is a genus of sea slugs, aeolid nudibranchs, marine gastropod molluscs in the family Facelinidae.
Species Species within the genus ''Pteraeolidia'' include:* ''Pteraeolidia annulata'' Eliot, 1910 - synonym: ''Indocratena annulata'' (Eliot, 1910)* ''Pteraeolidia ianthina'' (Angas, 1864) - synonyms: ''Flabellina ianthina'' Angas, 1864, ''Flabellina scolopendrella'' Risbec, 1928* ''Pteraeolidia semperi'' (Bergh, 1870)  - synonym: ''Flabellina semperi'' Bergh, 1870A recent study suggests that there are many species of ''Pteraeolidia'' in the Indo-Pacific region.
References
Further reading * * Bergh, L. S. R.  1890.Die cladohepatischen Nudibranchien. Zoologische Jahrbücher, Abtheilung für Systematik Geographie und Biologie der Thiere 5:1-75. * Bergh, L. S. R.  1892.Malacologische Untersuchungen. In: Reisen im Archipel der Philippinen von Dr. Carl Gottfried Semper. Zweiter Theil. Wissenschaftliche Resultate. Band 2, Theil 3, Heft 18, pp. 995–1165. * Bergh, L. S. R.  1905a. Die Opisthobranchiata der Siboga-Expedition. Monographie 50, pp. 1–248, pls. 1-20. * Thiele, J. 1992.Handbook of Systematic Malacology, part 2 (Gastropoda: Opisthobranchia and Pulmonata). Scientific editors of Translation: Rüdiger Bieler & Paula M. Mikkelsen. xiv + 1189 pp. Smithsonian Institution Libraries & National Science Foundation, Washington, D. C. ; page 748* Vaught, K.C. (1989). ''A classification of the living Mollusca''. American Malacologists: Melbourne, FL (USA). . XII, 195 pp