(of)Alder J. & Hancock A. (1854). Notice of some new species of British Nudibranchiata. <em>Annals and Magazine of Natural History.</em> ser. 2, 14: 102-105., available online athttp://biodiversitylibrary.org/page/18659561 page(s): 103 [details]
MolluscaBase eds. (2025). MolluscaBase. Okenia pulchella (Alder & Hancock, 1854). Accessed through: The UK Marine Environmental Data and Information Network (2025) Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications at: https://www.marinespecies.org/msbias/aphia.php?p=taxdetails&id=156274 on 2025-05-30
The UK Marine Environmental Data and Information Network (2025). Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications. Okenia pulchella (Alder & Hancock, 1854). Accessed at: https://www.marinespecies.org/msbias/aphia.php?p=taxdetails&id=156274 on 2025-05-30
original description(of)Alder J. & Hancock A. (1854). Notice of some new species of British Nudibranchiata. <em>Annals and Magazine of Natural History.</em> ser. 2, 14: 102-105., available online athttp://biodiversitylibrary.org/page/18659561 page(s): 103 [details]
redescriptionThompson, T. E. & Brown, G. H. (1984). <i>Biology of Opisthobranch Molluscs vol. 2</i>. Ray Society (Monograph 156), London. 229 pp. [details]
Present Inaccurate Introduced: alien Containing type locality