Noun
The lowest division of rhizopods, including those which resemble the amoebas, but are destitute of a nucleus.
of Moneron
Source: Webster's dictionaryEarly classifications of prokaryotes placed these in a handful of genera based on their shape and motility (at that time Ernst Haeckel 's classification of bacteria in the kingdom Monera was in place). Source: Internet
The remaining two kingdoms, Protista and Monera, included unicellular and simple cellular colonies. citation The five kingdom system may be combined with the two empire system: In the Whittaker system, Plantae included some algae. Source: Internet