History of the taxon:

Etymology of the name:

Taxon: Avsunviroidae Proposal: Ratification_1998.pdf  ICTV Report: Avsunviroidae Reference: PMID: 11050945 

from a member of the family, Avocado sunblotch viroid, an infectious agent consisting only of naked RNA; the suffix -viroidae is used for viroid family taxa