(1873), Eunepenthes Hook.f. (1873) and Mesonepenthes Harms (1936) (Latin: meso: middle; "middle" Nepenthes).
The genus *Eunepenthes* and *Mesonepenthes*, both belonging to the *Nepenthes* family, were first described in 1873 by Hook.f. and 1936 by Harms respectively.