The alveolates (meaning "pitted like a honeycomb") are a group of protists, considered a major clade and superphylum within Eukarya. They are currently...

Klossia is a genus of parasitic alveolates of the phylum Apicomplexa. The genus was created by Schneider in 1875. The type species is Klossia helicina...

Urospora is a genus of apicomplexan gregarines. Urospora is a genus of apicomplexans, protists that behave as intracellular parasites. Species of this...

Caryospora is a genus of parasitic protozoa in the phylum Apicomplexa. The species in this genus infect birds and reptiles with the majority of described...

Colponemids are free-living alveolates, unicellular flagellates related to dinoflagellates, apicomplexans and ciliates. They are predators of other small...

Stentor, sometimes called trumpet animalcules, are a genus of filter-feeding, heterotrophic ciliates, representative of the heterotrichs. They are usually...

Adelina is a genus of alveolates within the phylum Apicomplexa. They are coccidian parasites of arthropods and oligochaetes. Host orders include Coleoptera...

barnacles. Parasites of barnacles include many species of Gregarinasina (alveolate protozoa), a few fungi, a few species of trematodes, and a parasitic castrator...

This article lists the largest organisms for various types of life and mostly considers extant species, which found on Earth can be determined according...

Bacterium Borrelia burgdorferi Lyme disease length 10 μm Borrelia burgdorferi Alveolate protist Plasmodium Malaria diameter (sexual form) 7-14 μm Fungus [many]...