Tritonicula pickensi is a species of dendronotid nudibranch.

It is a marine gastropod mollusc in the family Tritoniidae.

[2] 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.

[3] This species was described from the Gulf of California.

It was discovered at La Jolla Shores, Southern California in 1998.