Cossaviricota
| Cossaviricota | |
|---|---|
| Virus classification | |
| (unranked): | Virus | 
| Realm: | Monodnaviria | 
| Kingdom: | Shotokuvirae | 
| Phylum: | Cossaviricota | 
| Classes | |
| See text | |
Cossaviricota is a phylum of viruses. The phylum is named after Yvonne Cossart who discovered Parvovirus B19, the causative pathogen of fifth disease.