Giardia lamblia
- Information on this parasite which may cause diarrhoea in humans.
- http://www.ashtree.co.uk/features/Giardia.htm

Naegleria
- Information on these pathogenic free-living amoebae, with several videos from the Microbiology Video Library.
- http://www.microbiologybytes.com/video/Naegleria.html

Trichomonas vaginalis
- Information on this flagellated protozoan parasite and the infection it causes, with a video from the Microbiology Video Library.
- http://www.microbiologybytes.com/video/Trichomonas.html

Trichomonads
- Tutorial providing information on these parasites, their taxonomy, and the diseases caused by them that affect domestic animals and humans.
- http://homepages.uel.ac.uk/d.p.humber/trichtut.htm

Trichomonas vaginalis
- Photomicrographs of this organism.
- http://www.pharmacology2000.com/Chemotherapy/Antibacterial/tricho1.htm

Actinophrys
- Photographic study by Chitchai Chantangsi of this member of the Heliozoa, or sun animalcules.
- http://www.microscopy-uk.org.uk/mag/artfeb02/ccactino.html

Voracious Soil Amoebae
- Image gallery of amoebae with large appetites, enveloping algae and other prey larger than themselves.
- http://www.microscopy-uk.org.uk/mag/artfeb05/pjvoraceou.html

Testate Amoebae, Peat Bogs and Past Climates
- Photographic article by Graeme Swindles on the testate amoeba fossils to be found in core samples of peat, and the deductions that can be made about the climate.
- http://www.microscopy-uk.org.uk/mag/artjun03/gsamoebae.html

An Interesting Amoeba: Naegleria
- Photograph and information on this pathogenic species.
- http://www.microscopy-uk.org.uk/mag/artdec01/mmamoeba.html

Sun Animalcules and Amoebas
- Article by Wim van Egmond introducing these organisms with several excellent photographs.
- http://www.microscopy-uk.org.uk/mag/wimsmall/sundr.html

Amoebas are More than Just Blobs
- Article by Wim van Egmond on the humble Amoeba, how to find and identify it, its behavior, locomotion and feeding, with many fine photographs.
- http://www.microscopy-uk.org.uk/mag/artsep01/amoeba.html

Amoeba
- Article from Wikipedia on this single-celled organism, its habitat, anatomy and reaction to outside stimuli such as changes in salinity.
- http://en.wikipedia.org/wiki/Amoeba

Amebiasis
- Information on Entamoeba histolytica which is a human pathogen, with diagrams and information on its life cycle.
- http://www.dpd.cdc.gov/dpdx/HTML/Amebiasis.htm

Giardiasis
- Information on Giardia intestinalis (or Giardia lamblia) which is a human pathogen, and diagrams and information on the life cycle of this protozoan flagellate.
- http://www.dpd.cdc.gov/dpdx/HTML/Giardiasis.htm

Life Cycle of a Giardia lamblia
- Short video showing how this parasite develops after it has been ingested.
- http://video.google.com/videoplay?docid=-965376292862019004&hl=en

Sarcodina: Move with pseudopodia
- Illustrations and information on several species including amoeba, with microscopic images of many of them.
- http://www.microscope-microscope.org/applications/pond-critters/protozoans/sarcodina/sarcodina.htm

Mastigophora: Flagellates that Move with a Whip
- Illustrations and information on about ten of these protists which include Chlamydomonas, Volvox and Euglena.
- http://www.microscope-microscope.org/applications/pond-critters/protozoans/mastigophora/mastigophora.htm

Protist Images: Mastigophora
- Provides a classification of these flagellates with images of a number of individual species. English and Japanese.
- http://protist.i.hosei.ac.jp/PDB/Images/Protista/MastigophoraE.html