Cercozoa Cavalier-Smith 1998, emend. Adl et al. 2005 This is a group of flagellates and amoebae defined by molecular phylogenies. The amoeboid genera have either filose pseudopodia (filopodia) or networks of anastomosing reticulopodia. Very often with cysts.
1. Granofilosea Cavalier-Smith and Bass 2009
With very delicate reticulopodia bearing frequent regular extrusomes.
Ancestrally with robust organic extracellular theca; theca with perforations for cilia and for pseudopodia; ventral filose pseudopodia emerge from ventral groove.