''Tetramicra'' may refer to:
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''Tetramicra'' (plant), a genus of flowering plants in the family Orchidaceae
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''Tetramicra'' (microsporidian), a fungus genus in the division
Microsporidia
Microsporidia are a group of spore-forming unicellular parasites. These spores contain an extrusion apparatus that has a coiled polar tube ending in an anchoring disc at the apical part of the spore.Franzen, C. (2005). How do Microsporidia inva ...
{{genus disambiguation