Tritonicula pickensi is a species of dendronotid nudibranch. It is a marine gastropod mollusc in the family Tritoniidae.MolluscaBase eds. (2020). MolluscaBase. Tritonicula pickensi (Ev. Marcus & Er. Marcus, 1967). Accessed on 2021-01-05. A number of Caribbean and western Pacific species of Tritonia were moved to a new genus Tritonicula in 2020 as a result of an integrative taxonomic study of the family Tritoniidae.Korshunova, T.; Martynov, A. (2020). Consolidated data on the phylogeny and evolution of the family Tritoniidae (Gastropoda: Nudibranchia) contribute to genera reassessment and clarify the taxonomic status of the neuroscience models Tritonia and Tochuina. PLOS ONE. 15(11): e0242103.

Distribution This species was described from the Gulf of California. It was discovered at La Jolla Shores, Southern California in 1998.Millen, S., 2001. Tritonia pickensi The slug site, ed. Miller, M., accessed 2021-01-05.

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