Caution: This not an official Baltimore classification, because it describes mostly viroids that are not viruses (they don’t encode for any protein).

Virus Family Viral protein Primary receptor(s) Entry receptor(s) entry mode
Hepatitis D virus Deltavirus HBV Large envelope protein Heparan sulfate [Polysaccharide] SLC10A1/NTCP [bile acid transporter] Caveolin-mediated endocytosis