Definitions for "Microfauna"
Protozoa and smaller nematodes.
The small animals that can only be seen with a microscope, they include protozoa, nematodes, etc.
The smallest arbitrary size categorization of animals in a community.
Soil-dwelling micro-organisms (animals) that cannot be seen with the naked eye. Synonym: soil fauna.
minute animals; especially, those invisible to the naked eye
Small mammals, rodents and insectivores.