| A | B |
| Kingdom Protista | most diverse kingdom in domain Eukarya |
| Excavata | two major group, Diplomonads and Parabasalids |
| Discicristata | largest group is the phylum Euglenozoa |
| Alveolata | 3 major groups-Phylum Dinoflagellata, Phylum Apicomplexa, Phylum Ciliophora |
| Phylum Dinoflagellata | (dinoflagellates) |
| Phylum Apicomplexa | (sporozoans) |
| Phylum Ciliophora | (ciliates) |
| Stramenopila | 4 major groups-Phylum Oomycota, Phylum Bacillariophyta , Phylum Chrysophyta, Phylum Phaeophyta |
| Phylum Oomycota | (oomycetes) |
| Phylum Bacillariophyta | (diatoms) |
| Phylum Chrysophyta | (golden algae) |
| Phylum Phaeophyta | (brown algae) |
| Rhizaria | 2 major groups-Phylum Foraminifera, Phylum Radiolaria |
| Phylum Foraminifera | (forams) |
| Phylum Radiolaria | (radiolarians) |
| Archaeplastida | 3 major groups-Phylum Rhodophyta, Phylum Chlorophyta, Kingdom Plantae, |
| Phylum Rhodophyta | (red algae) |
| Phylum Chlorophyta | (green algae) |
| Kingdom Plantae | (plants) – not protists, covered later in this course |
| Chlorophyta and Plantae | are combined by many into the kingdom Viridiplantae |
| Amoebozoa | 4 major groups-Phylum Gymnamoeba, Phylum Entamoeba, Phylum Acrasiomycota, |
| Phylum Gymnamoeba | (free-living amoebas) |
| Phylum Entamoeba | (parasitic amoebas) |
| Phylum Acrasiomycota | (cellular slime molds) |
| Phylum Myxomycota | (plasmodial slime molds) |
| Opisthokonta | includes traditional kingdoms Fungi and Animalia |
| synapomorphies | Opisthokonta |