History of the taxon:

Etymology of the name:

Taxon: Deltaflexiviridae; Proposal: 2017.020P.A.v1.Deltaflexiviridae; : ; ICTV Report: ; Reference:

from the Ancient Greek  δέλτα (délta), the fourth letter of the Greek alphabet, and flexi, together referring to the fourth family created from the division of the old family Flexiviridae, a group of  filamentous and highly flexible viruses; the suffix -viridae for family taxa