The Hexanauplia constitute a class of crustaceans, comprising two groups: the Copepoda and the Tantulocarida. The former subclass Thecostraca was elevated to class rank and removed from Hexanauplia in 2021.[1]
According to World Register of Marine Species (September 12, 2017) 1 :
↑ World Register of Marine Species, accessed 12 September 2017
The Hexanauplia constitute a class of crustaceans, comprising two groups: the Copepoda and the Tantulocarida. The former subclass Thecostraca was elevated to class rank and removed from Hexanauplia in 2021.