Need explanation according to what's bourgeoisie say and Marxist

In the view of some 20th century Marxist currents, the nomenklatura or lower state bureaucrats in "communist states" were or are a state bourgeoisie presiding over a system of state capitalism. To some schools of anarchists, all prominent members, functionaries and leaders of any kind of state are part of this state bourgeoisie. According to these interpretations, the bourgeoisie is composed of any individuals who have exclusive control over the means of production, regardless of whether this control comes in the form of private ownership or state power