Members of the kingdom Bacillariophyta are the diatoms. They are unicellular organisms that have cell walls, or tests, that are made of silicon dioxide and composed of two valves, which fit together with the help of a set of girdle bands. Most are photosynthesizers and they are important members of the marine plankton. There are about 10,000 known species.

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Cohn Lab Center For Diatom Research
Dedicated to expanding research and general knowledge of diatoms, includes basic introductions about diatoms, and information about the laboratory and the research undertaken.
Diatom Display
Small photograph gallery of these organisms.
Diatoms
Information on these ubiquitous organisms including their fossil record, classification, biology and life cycle with a number of images of individual species.
Diatoms
Article by Wim van Egmond introducing these delicate unicellular organisms that have yellow-brown chloroplasts that enables them to photosynthesize, with fine photographs.
Diatoms
Student project including classification, habitat, adaptation, nutrition, reproduction and interactions with other species.
Diatoms in a Different Light
Article by Roland Mortimer on these organisms, with a small image gallery of different freshwater species.
The Diatoms of Bitter Lake National Wildlife Refuge
Photographic study by David B. Richman of the diatoms living in lakes in this high-gypsum environment.
Diatomées des Eaux Douces
Photographs and descriptions of fresh water diatoms and fossil diatoms. French and English.
Great Lakes Diatoms
Collection of images, classified by morphology and by genus.
Introduction to Bacillariophyta (the Diatoms)
Information about the fossil record, life history and ecology, systematics, and morphology.
Major Groups of Diatom
Provides a facility for identifying diatoms based on their major morphological characteristics.
Last update:
July 20, 2016 at 11:24:07 UTC
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