The Natural History Museum microbiology collection includes extant protozoan protists. The microbiology collection of extant protozoan protists comprises mainly microscope slides but also small ...

For more than 25 years, Arthur Earland and Edward Heron-Allen partnered in studying fossils of Foraminifera, a phylum of marine single-celled organisms often protected by shells of calcium carbonate.

The forms of protists are as varied as they are ethereal, and all are invisible to the naked eye. For the past seven years, Kevin J. Carpenter has been researching and photographing some of these ...