Biology

Lacrymaria olor: Tear of a Swan Lacrymaria olor: Tear of a Swan- Article by Professor Richard Howey on this freshwater protozoan. Dessert for Dileptus Dessert for Dileptus- Illustrated article by Rosemarie Arbur on the behavior and feeding habits of this ciliate. Dileptus at Dinnertime Dileptus at Dinnertime- Illustrated article by Rosemarie Arbur on the interactions of the two ciliates, Dileptus and Litonotus, which are both carnivores. Didinium the Master Feeder. Didinium the Master Feeder.- Photographic study by Mike Dingley of this ciliate, Didinium nasutum, consuming a Paramecium larger than itself. Colpoda Colpoda- Article by Rosemarie Arbur with a series of diagrams showing these protists exiting from a cyst. Coleps Coleps- Illustration and information on this ciliate. Carchesium Carchesium- Article by Wim van Egmond on this stalked ciliate, with a pen and ink drawing. Blepharisma Blepharisma- Photographic study of these ciliates by Jannette Hanna, including videos. Amphileptus Amphileptus- Photographic observations by Jim Evarts of the fission and conjugation of these protozoans. A Preliminary Look at the Ciliates of Borehole 25 A Preliminary Look at the Ciliates of Borehole 25- David Richman takes samples from a borehole in Bitter Lake National Wildlife Refuge and finds the high-salinity water rich in ci… Ruminating on Some Secret Ciliates. Ruminating on Some Secret Ciliates.- Photographic study by Dave Furness on the ciliates that spend their lives in the rumens of domestic cattle. Folliculina, a Marine Ciliate Folliculina, a Marine Ciliate- Photographic study by Wim van Egmond of this tube-dwelling protozoan. Suctoria Suctoria- Photographic study by Jean-Marie Cavanihac of these marine protists, with several animated sequences. Ciliates Ciliates- Article by Wim van Egmond introducing these organisms with many excellent photographs of various species. Paramecium Paramecium- Information on these organisms, often called slipper animalcules, their classification, with links to videos, images and many other sites on protists. Ciliate Center Ciliate Center- Images and notes on a number of species of ciliate. Ciliophora Ciliophora- Information and photographs from Microbewiki on these organisms, their description and significance, their genome, cell structure, metabolism and ecology. Ciliophora: Protozoans that Move with Cilia Ciliophora: Protozoans that Move with Cilia- Illustrations and information on about twenty species of ciliate, with microscopic images of many of them. Introduction to the Ciliata Introduction to the Ciliata- Photographs and information on these single celled organisms, their appearance in the fossil record, life history, ecology, systematics and morphology. The Ciliate Resource Archive The Ciliate Resource Archive- Provides a complete classification of the phylum Ciliophora down to genus level. Protist Images: Ciliophora Protist Images: Ciliophora- Classifies ciliates and provides a large number of images of individual species. English and Japanese. Diatom Diatom- Information on this unicellular organism of the kingdom Protista characterized by a silica shell of often intricate and beautiful sculpturing. Vaucheria in Connecticut Vaucheria in Connecticut- Researchers at Trinity College have been investigating the mud-stabilizing yellow-green alga Vaucheria in freshwater wetlands and salt-marshes for severa… Silicoflagellates Silicoflagellates- An illustrated article by Richard T Carter on these interesting protists. Silicoflagellate Silicoflagellate- Information from Wikipedia on this small group of unicellular algae, found in marine environments. Members of the only genus, Dictyocha, have one golden-brown ch… The Silicoflagellate Dictyocha The Silicoflagellate Dictyocha- Photographic study by Rene van Wezel of this member of the marine phytoplankton. Desmids Desmids- Article by Wim van Egmond on these organisms with many excellent photographs of various species. Desmid Desmid- Information from Wikipedia on this order of green algae which have a variety of symmetric shapes which provide a basis for their classification. Chrysophyta Chrysophyta- Information from MicrobWiki on this phylum of unicellular marine or freshwater protists, members of which include the diatoms (class Bacillariophyta), golden algae (c… Phylum Chrysophyta Phylum Chrysophyta- Provides a list of all the species included in the orders Bacillariales, Biddulphiales, Coscinodiscales, Fragilariales and Rhizosoleniales. Synura uvella Synura uvella- Image of this species which forms small colonies. Golden Algae Golden Algae- Information from Wikipedia on this large group of unicellular flagellate algae, the Chrysophytes, found mostly in fresh water. Introduction to the Chrysophyta Introduction to the Chrysophyta- Brief discussion of the group, also called golden algae, which is found in fresh water, particularly lakes. Includes information on some subgroups. A Day after the Rain. A Day after the Rain.- Photographic study by Daigo Kamada of the Vorticella that he found when examining water samples. The Reproduction of Vorticella The Reproduction of Vorticella- Walter Dioni provides anatomical details of this species and its reproduction, with animated and sequential photographs. The Intertidal Rocky Shore: Coralline Algae and Green Seaweed The Intertidal Rocky Shore: Coralline Algae and Green Seaweed- Photographs of about 6 species of encrusting varieties of red algae and about 10 of green seaweeds that grow around … Green Algae Green Algae- Description of this diverse group of freshwater algae commonly known as chlorophytes, with excellent microscopic images. Desmids.com Desmids.com- Information and images of these microscopic freshwater algae, with a focus on those found in Kent, England. Desmids Desmids- Images and information about single-celled freshwater green algae in the family Desmidiaceae. In English and Dutch. Protist Images: Chlorophyta Protist Images: Chlorophyta- Images and descriptions. Cohn Lab Center For Diatom Research Cohn Lab Center For Diatom Research- Dedicated to expanding research and general knowledge of diatoms, includes basic introductions about diatoms, and information about the labora… Diatoms Diatoms- Student project including classification, habitat, adaptation, nutrition, reproduction and interactions with other species. Diatomées des Eaux Douces Diatomées des Eaux Douces- Photographs and descriptions of fresh water diatoms and fossil diatoms. French and English. Diatoms in a Different Light 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 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. Diatom Display Diatom Display- Small photograph gallery of these organisms. Diatoms Diatoms- Article by Wim van Egmond introducing these delicate unicellular organisms that have yellow-brown chloroplasts that enables them to photosynthesize, with fine photographs. Major Groups of Diatom Major Groups of Diatom- Provides a facility for identifying diatoms based on their major morphological characteristics. Diatoms Diatoms- Information on these ubiquitous organisms including their fossil record, classification, biology and life cycle with a number of images of individual species. Introduction to Bacillariophyta (the Diatoms) Introduction to Bacillariophyta (the Diatoms)- Information about the fossil record, life history and ecology, systematics, and morphology.