The World of Protozoa, Rotifera, Nematoda and Oligochaeta
[ref. ID; 1618]
Flagellum apparently not connected with nucleus; pseudopods numerous, digitate; body form changes actively and continuously; contractile vacuole. (ref. ID; 1618)
[ref. ID; 3652]
During amoeboid movement, nucleus and basal body not linked and flagellum may be distant from nucleus. Includes some forms with two kinds of cytoplasmic bacteria, one methanogenic. Bacteria adhere to nucleus. (ref. ID; 3652)