Within the kingdom Protista, protozoans are further classified into various phyla, each containing multiple genera.
Here are some examples of genera within different phyla of protozoans:
* Phylum Amoebozoa: *Amoeba*, *Entamoeba*, *Naegleria*
* Phylum Foraminifera: *Globigerina*, *Nummulites*
* Phylum Ciliophora: *Paramecium*, *Tetrahymena*, *Stentor*
* Phylum Apicomplexa: *Plasmodium*, *Toxoplasma*, *Cryptosporidium*
* Phylum Kinetoplastida: *Trypanosoma*, *Leishmania*
It's important to note that this is just a small sample of the many genera that belong to the kingdom Protista. There are hundreds of genera of protozoans, each with unique characteristics and ecological roles.