Cuthonella abyssicola is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Cuthonellidae.Gofas, S.; Vinarski, M. (2023). Cuthonella abyssicola Bergh, 1884. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=699309 on 2026-03-05 Within it are two subspecies Korshunova, T. A., Sanamyan, N. P., Sanamyan, K. E., Bakken, T., Lundin, K., Fletcher, K., & Martynov, A. V. (2020). Biodiversity hotspot in cold waters: a review of the genus Cuthonella with descriptions of seven new species (Mollusca, Nudibranchia). Contributions to Zoology, 90(2), 216-283.: Cuthonella abyssicola abyissicola and Cuthonella abyssicola kryos.
Distribution This species was described from a single specimen collected at 550 m depth in the Denmark Strait at .
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