What is Spirillum?
'''Spirillum''' (plural '''Spirilla''') is any [[bacteria|bacterium]] that is shaped like a [[spiral]]. It is one of the three shapes of bacteria. The other two are [[Coccus]] and [[Bacillus]].It can be said as Spiral Bacteria. Spirillum is also the name of a [[genus]] of [[Gram-negative bacteria]] in the [[family (biology)|family]] [[Spirillaceae]]. The two species in the ''Spirillum'' genus are ''[[Spirillum minus]]'' and ''[[Spirillum pulli]]''. {{biology-stub}} [[Category:Bacteria]]