| Arenaviridae (segment) | <8 kb |
| Arteriviridae | 12-16 kb |
| Astroviridae | 6-8 kb |
| Bornaviridae | 9 kb |
| Bunyaviridae (segment) | <7 kb |
| Caliciviridae | 7-8 kb |
| Coronaviridae | 28-33 kb |
| Filoviridae | 18 kb |
| Flaviviridae | 10-12 kb |
| Paramyxoviridae | 15-16 kb |
| Picornaviridae | 7-8 kb |
| Retroviridae | 7-11 kb |
| Rhabdoviridae | 11 kb |
| Togaviridae | 9-12 kb |
| Birnaviridae (segment) | <4 kbp |
| Reoviridae (segment) | <4 kbp |
Table 2: Genome (segment) length of virus family. |
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