Tritonicula myrakeenae is a species of dendronotid nudibranch.

It is a marine gastropod mollusc in the family Tritoniidae.

[2] A number of 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 is reported from California, USA and Baja California, Mexico to Costa Rica.

[4] The type locality is Southeast end of Isla Cedros, Baja California, Mexico, rocky reef west of lighthouse, in Bahía Sudeste, 28°02′30″N 115°12′00″W / 28.04167°N 115.20000°W / 28.04167; -115.20000.