| Genera | Host(s) | |
|---|---|---|
| Rhizidiovirus | fungus |
| Genera | Host(s) | |
|---|---|---|
| Avihepadnavirus | vertebrate | |
| Badnavirus | plant | |
| Caulimovirus | plant | |
| Cavemovirus | plant | |
| Orthohepadnavirus | vertebrate | |
| Petuvirus | plant | |
| Solendovirus | plant | |
| Soymovirus | plant | |
| Tungrovirus | plant | |
| Unassigned Caulimoviridae | plant | |
| Unassigned Hepadnaviridae | vertebrate |
| Genera | Host(s) | |
|---|---|---|
| Alpharetrovirus | vertebrate | |
| Betaretrovirus | vertebrate | |
| Deltaretrovirus | vertebrate | |
| Epsilonretrovirus | vertebrate | |
| Errantivirus | invertebrate, protozoa | |
| Gammaretrovirus | vertebrate | |
| Hemivirus | fungus, invertebrate, protozoa | |
| Lentivirus | vertebrate | |
| Metavirus | fungus, invertebrate, plant | |
| Pseudovirus | fungus, plant | |
| Semotivirus | invertebrate | |
| Sirevirus | plant | |
| Spumavirus | vertebrate | |
| Unassigned Pseudoviridae | fungus, invertebrate, plant, protozoa | |
| Unassigned Retroviridae | vertebrate |
| Genera | Host(s) | |
|---|---|---|
| Apscaviroid | plant | |
| Avsunviroid | plant | |
| Circular satellite RNAs | plant | |
| Cocadviroid | plant | |
| Coleviroid | plant | |
| Elaviroid | plant | |
| Hostuviroid | plant | |
| Large satellite RNAs | plant | |
| Pelamoviroid | plant | |
| Pospiviroid | plant | |
| Small linear satellite RNAs | plant | |
| Unassigned Avsunviroidae | plant | |
| Unassigned Pospiviroidae | plant | |
| Unassigned viroid | plant |