Max Planck Institute for Biotechnology - The Streit Lab studies spatiotemporal control of homeotic genes in the nematode Caenorhabditis elegans. Hammerschmidtiella diesingi - Photographic study by Walter Dioni on this and other nematodes found living in a cockroach with many detailed images. Nematode Species List - Nematodes listed alphabetically by genera. Plant and Insect Parasitic Nematodes - A mass of information on nematodes, their study, surveys, agricultural issues, identification and systematics. Longevity and Ageing in Parasitic and Free-living Nematodes - Paper by David Gems examining the great variability in ageing patterns observed in different nematode species. Heartworm - Information from Wikipedia on this parasitic nematode, Dirofilaria immitis, which is spread by mosquitoes. Anguillicola crassus - Information from Wikipedia on this nematode that lives in the swimbladders of eels, and the life cycle of the parasite. Entomopathogenic nematode - Information from Wikipedia on these roundworms that are lethal insect parasitoids, and some of which are used in the biological control of insect populations. Dirofilaria immitis - Greg Eddy provides information on the Dog Heartworm, its classification, adaptation, habitat, nutrition, reproduction and interaction with its host. Anisakis simplex - Research project on this marine parasitic nematode by Rachel Nelson at the University of Wisconsin-LaCrosse. Trichinella spiralis - Research project by Andrew Maiers at the University of Wisconsin-LaCrosse. Dynamic Development - Embryonic development is described with links to illustrated movies. Chromadoroidea Key - Provides an illustrated key to the genera of free-living marine nematodes in this superfamily. Soil Inhabiting Nematodes - Introduction to soil nematodes, their classification, feeding habits, place in the community and function in the decomposition process, with an anatomical diagram of a typical plant parasitic species. Brainworm Nematode: Parelaphostrongylus tenuis - Photographs and information on this parasitic organism and its life cycle. Predatory Nematode: Mononchus - Photographs and information on these non-parasitic organisms. The Big Red Worm - Photographs and information on these parasitic organisms, Eustrongylides ignotus and Eustrogylides tubifex. Phylum Nematoda - An introduction to the roundworms. Includes characteristics, ecology, anatomy, classification and information on the species that parasatise humans. Nematoda: Roundworms - Phylogenetic information from the Tree of Life Web Project. Wormatlas: Caenorhabditis elegans - A database of behavioral and structural anatomy. Nemaplex - The Nematode-Plant Expert Information System, a virtual encyclopedia on soil and plant nematodes, developed and maintained at the University of California, Davis. Dirofilaria immitis - Nematode transcriptome analyses of the dog heartworm. 959 Nematode Genomes - Collaborative wiki which collates information on completed, ongoing and planned genome and transcriptome sequencing projects on species from the phylum Nematoda. Caenorhabditis elegans Movies - Links to films showing the growth and development of C. elegans from researchers worldwide, housed in the laboratory of Bob Goldstein at UNC Chapel Hill. Angiostrongyliasis - Information on the nematode, Angiostrongylus cantonensis, which can cause meningitis, and diagrams and information on its life cycle. Anisakiasis - Information on the nematodes, Anisakis simplex and Pseudoterranova decipiens, which can infect humans who eat raw fish, with diagrams and information on their life cycle. Gnathostomiasis - Information on the nematodes Gnathostoma spinigerum and Gnathostoma hispidum which can infect vertebrates, with a diagram and information on their life cycle. Strongyloidiasis - Information on the nematode Strongyloides stercoralis which can infect humans, and a diagram and information on its complex life cycle. Dracunculiasis - Information on the nematode Dracunculus medinensis which can infect humans and cause guinea worm disease, with a diagram and information on its life cycle. Trypanosomiasis, American - Information on Trypanosoma cruzi, the causal agent of Chagas disease which is transmitted by blood-sucking triatomine bugs, with diagrams and information on the life cycle of the parasite. Hookworm - Information on the nematodes Ancylostoma duodenale and Necator americanus which can invade and parasatize humans, and a diagram and information on their life cycle. Phylum Nematoda - Bilaterally symmetrical, worm-like organisms.