Table 10.1.
Positive-Strand RNA Viruses of Animalsa
| Virus family | Virion morphology | Genome type |
|---|---|---|
| Arteriviridae | Enveloped, helical nucleocapsid | Unsegmented |
| Astroviridae | Nonenveloped, icosahedral | Unsegmented |
| Caliciviridae | Nonenveloped, icosahedral | Unsegmented |
| Coronaviridae | Enveloped, helical nucleocapsid | Unsegmented |
| Flaviviridae | Enveloped, icosahedral nucleocapsid | Unsegmented |
| Hepeviridae | Nonenveloped, icosahedral | Unsegmented |
| Nodaviridae | Nonenveloped, icosahedral | Bisegmented |
| Picornaviridae | Nonenveloped, icosahedral | Unsegmented |
| Togaviridae | Enveloped, icosahedral nucleocapsid | Unsegmented |
a
Only those families with members that infect vertebrates are included in this list.