Spirillum
Spirillum is a genus of Gram-negative bacteria in the family Spirillaceae of the Nitrosomonadales of the Betaproteobacteria. There are two species of Spirillum with validly or effectively published names - Spirillum winogradskyi and Spirillum volutans.
| Spirillum | |
|---|---|
| Spirillum | |
| Scientific classification | |
| Domain: | Bacteria |
| Phylum: | Pseudomonadota |
| Class: | Betaproteobacteria |
| Order: | Nitrosomonadales |
| Family: | Spirillaceae |
| Genus: | Spirillum Ehrenberg, 1832 emend. Podkopaeva et al., 2009 |
| Species | |
Other "species" classified as Spirillum such as "Spirillum minus", "Spirillum pleomorphum", and "Spirillum pulli" are of uncertain phylogeny and in any case, these are names that have never been validly or effectively published and thus have no standing in nomenclature.
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