Phylum Sarcomastigophora
Locomotory organelles - flagella, pseudopodia or both types, usually with one type of nucleus; typically no spore formation, sexual reproduction through syngamy.
- Class - Phytomastigophorea
- Class - Zoomastigophorea
- Subphylum Opalinata
- Subphylum Sarcodina
- Superclass - Rhizopoda
- Superclass - Actinopoda