Spirulina may refer to:

Biology

Spirulina (dietary supplement) Spirulina is a biomass of cyanobacteria (blue-green algae) that can be consumed by humans and animals. The three species are '' Arthrospira platensis'', ''A. fusiformis'', and ''A. maxima''. Cultivated worldwide, ''Arthrospira'' is used as a di ...

, a cyanobacterium product and biomass that can be consumed by humans and other animals * ''

Arthrospira ''Arthrospira'' is a genus of free-floating filamentous cyanobacteria characterized by cylindrical, multicellular trichomes in an open left-hand helix. A dietary supplement is made from ''A. platensis'' and ''A. maxima'', known as spirulina. ...

'', a genus of cyanobacteria closely related to ''Spirulina'' * ''Spirulina'' (genus), a genus of cyanobacterium *

Spirulina (suborder) Spirulida is an order of cephalopods comprising one extant species (''Spirula spirula'') and several extinct taxa. Fossil record * Oldest representative: Carboniferous, though contested: see ''Shimanskya'' * Oldest uncontested representative: ...

, a group of cephalopods ** ''

Spirula ''Spirula spirula'' is a species of deep-water squid-like cephalopod mollusc, mollusk. It is the only extant taxon, extant member of the genus ''Spirula'', the Family (biology), family Spirulidae, and the order (biology), order Spirulida. Because ...

'', the only extant member of that suborder

Biology

See also