Acritarchs and Chitinozoa - Information on these organisms which have not yet been able to be classified, including their fossil record, biology and life cycle with a number of images of individual species.
Algae - A basic guide to algae including marine, freshwater and land species.
Algae Description and Types - Algae are plant-like organisms that are usually photosynthetic and aquatic and this article describes the main phylogenetic groups.
Algae from Bemersyde 2006 - Biologists have been studying a loch on the Scottish Borders over time and provide a list of the algae and other protists found in it, with photographs of each.
AlgaeBase - Information on the algae of the world, including terrestrial, marine, and freshwater forms. Search by genus, species, or common name. Includes images and references.
AlgaeVision - Provides a searchable image database for UK freshwater and terrestrial algae.
Caribbean Reef Plants - Sample pages and images from an identification guide to marine algae and seagrasses.
The Center for Phycological Documentation - Information about algae and their taxonomy, including 'The Catalogue of the Benthic Marine Algae of the Indian Ocean,' and 'The Index Nominum Algarum,' a compendium of circa 200,000 algal names.
Droplet - Microscopy of the protozoa by Piotr Rotkiewicz - includes images, systematics, glossary, forum, and resources.
Flagellate - Information from Wikipedia on these unicellular organisms with one or more whip-like organelles called flagella. Although sharing this common structure, they are not a single taxonomic group.
Flagellated Protozoa - Article by Wim van Egmond introducing these organisms with photographs of Euglena, Peranema, Dinoflagellates and Spongomonas, and instructions on growing your own cultures.
Freakin Fucus - Introduction and technical information regarding seaweeds and phycology.
Freshwater Algae - Provides information on the varieties of algae and their classification with photomicrographs of example species of the main freshwater phyla.
Introduction to the Chromista: From Microbes to Giants - General discussion of the kingdom-level taxon Chromista, including diatoms, kelp, downy mildew, and other organisms that possess chlorophyll and are mostly photosynthetic, but are not plants. Includes links for more information.
Introduction to the Sagenista - Information on the bicoecids and slime nets which form a basal group of chromists, the classification of which is unclear.
Parasitic Protozoa - About 10,000 species of Protozoa are parasitic and this article provides information on these species and the illnesses they cause.
Photographs of Algae - Images of about 20 species from the El Eden Ecological Reserve, Mexico.
Protist - Information from Wikipedia on this group of organisms which cannot be classified as plants, animals or fungi.
Protist Image Data - Pictures and information on selected genera of algae and protozoa.
Protist Images: Heterokonta - Classification of these flagellates with a number of images of individual species. English and Japanese.
Protist Information Server - Image database archiving more than 34,000 images (511 genera, 1944 species) and 556 movie clips for research and education.
Protistan Phyla - Short articles and illustrations of the major groups of protists.
Protozoa - Exercise from Invertebrate Anatomy OnLine covering Euglena, Trypanosoma, Trichonympha, Peridinium, Paramecium and other ciliates, Monocystis lumbrici, Opalina, Amoeba, Arcella, Difflugia, Globigerina, Radiolaria and Actinosphaerium in detail.
Protozoa - Article from Wikipedia on the unicellular microbes that are traditionally classified as protozoans, based on their methods of locomotion.
Seaweed Site - Information on many aspects of seaweeds with links to other sites connected with these algae.
UTEX: The Culture Collection of Algae - This collection includes approximately 3,000 different species of living algae, representing most major algal taxa, many of which can be supplied in large volumes.
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