Microscopes

Protozoa - Heterotrophic only
Name	Picture	Characteristic	Taxonomy
Flagellates <.5mm		1. one or more flagella 2. colonial or free living 3. with or without lorica	Zoomastigophora i.e choanoflagellates
Amoeba .02 –5 mm		1. pseudopodia 2. slow movement 3. engulfs food	Sacrodina Order Amoebina i.e. Amoeba proteus
Shelled Amoeba .1-.4 mm		1. amoeba with a shell, usually sand grains 2. pseudopodia 3. slow movement	Sacrodina Order Testacea i.e Arcella sp.
Heliozoans .01-1 mm		1. spherical 2. radiating hair like pseudopods 3. no movement	Sacrodina Order Heliozoea
Ciliates – Peritrich < .25 mm		1. cylindrical or bell shaped bodies 2. undulating cilia 3. some stalked 4. often colonial 5. attached to different substrate	Ciliophora Order Peritrichida i.e. Vorticella sp.
Ciliates – Suctoria <.7 mm		1. no cilia, sticky tentacles 2. some attached to other organisms (i.e. Suctoria)	Ciliophora Order Eridogenida i.e. Tokophyra sp.
Ciliates Paramecium .01 – 4mm		1. mostly free living forms 2. cell of fixed shape 3. movement by contraction and use of cilia 4. fixed mouth and anal pore	Ciliophora Order Oliogohymenophorea i.e. Paramecium sp
Ciliates Stentor .01 – 4 mm		1. large body 2. contractile 3. cilia on mouth end	Ciliophora Orer Heterotrichea i.e. Stentor sp
Ciliates Coleps .01-4mm		1. barrel-shaped 2. spinous projection at posterior end 3. cytosome apical	Ciliophora Order Prostomatea i.e. Coleps sp.