Cryptosporidium parvum
- Information on this parasite which lives primarily in the guts of fish, reptiles, birds and mammals and may cause diarrhoea in humans.
- http://www.ashtree.co.uk/features/crypto.htm

Plasmodium falciparum
- Laura Augustine provides information on the malarial parasite, its classification, habitat, adaptation, nutrition, reproduction and methods of prevention and treatment.
- http://acadweb.uwlax.edu/07Spring/SAH/BIO203/augustin_laur/

Malaria
- Information on the blood parasites of the genus Plasmodium that can infect humans, with a diagram and information on their complex life cycle.
- http://www.dpd.cdc.gov/dpdx/HTML/Malaria.htm

Isospora Belli
- Diagram showing the life cycle of this parasite in man and the external environment.
- http://www.cdfound.to.it/HTML/iso1c.htm

Full-Malaria
- Information on the complex life cycle of the malarial parasite and a project to construct a full length cDNA genome sequence for Plasmodium falciparum.
- http://fullmal.hgc.jp/docs/lifecycle.html

Toxoplasma gondii
- Information on a project to construct a Toxoplasma full-length cDNA library. Also information on the life history of the parasite in several host species.
- http://fullmal.hgc.jp/tg/docs/toxoplasma.html

Life Cycle of Toxoplasma gondii
- Diagram showing the life cycle of this parasite in man and other mammals.
- http://www.cdfound.to.it/HTML/tg1.htm

Apicomplexa
- Illustrated information on this group, previously known as Sporozoa, their classification, surface coat, motility, host cell recognition and invasion.
- http://parasitology.informatik.uni-wuerzburg.de/login/n/h/0097.html

Apicomplex
- Information from MicrobeWiki on this phylum of parasites, their description and significance, genome structure, cell structure, metabolism and ecology.
- http://microbewiki.kenyon.edu/index.php/Apicomplex

Eimeria: Coccidiosis
- Notes on this parasite and the condition it causes and its relevance to the poultry industry.
- http://www.iah.bbsrc.ac.uk/eimeria/intro.htm

Coccidia
- General information on this subclass of Apicomplexa with lists of the important species.
- http://parasitology.informatik.uni-wuerzburg.de/login/n/h/0275.html

Manipulating the Plasmodium Genome
- Outlines research by Teresa Gil Cavalho and Robert Menard on unravelling and manipulating the genome of the malarial parasite.
- http://www.horizonpress.com/cimb/v/v7/04.pdf

Toxoplasma: Molecular and Cellular Biology
- Abstracts from a book of this title on various aspects of Toxoplasma gondii and the disease it causes.
- http://www.horizonpress.com/hsp/abs/abstoxp.html

Sporozoa - Apicomplexa
- Illustrated information on the common cellular features of the group, the life cycle and the two main sub-groups, the Gregarines and the Coccidia.
- http://www.zoology.ubc.ca/courses/bio332/sporozoa_notes.htm

Biology of the Eimeriidae
- Life cycle and other aspects of this family of homoxenous (direct life cycle) protists, in which merogony, gamogony and the formation of oocysts occur within the same host.
- http://biology.unm.edu/biology/coccidia/eimeriabiol.html

Introduction to the Apicomplexa
- Discussion of this group of parasitic, pathogenic protists, formerly considered to be Sporozoa but now grouped on the basis of structural features including an apical complex of microtubules within the cell.
- http://www.ucmp.berkeley.edu/protista/apicomplexa.html