Lingulodinium polyedrum (0.04 mm), Found around the globe, this oceanic dinoflagellate species forms red tides.

Lingulodinium polyedrum (0.04 mm), Found around the globe, this oceanic dinoflagellate species forms red tides.
Photographer: Scanning Electron Micrograph/Maria Faust/Smithsonian InstitutionRights holder: Scanning Electron Micrograph/Maria Faust/Smithsonian Institution