the root (no rank)
Viruses (domain)
ssDNA viruses (subkingdom)
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Anelloviridae (family)
bacteriophage phi-Lf (species)
Circoviridae (family)
Geminiviridae (family)
Inoviridae (family)
Microviridae (family)
Nanoviridae (family)
Parvoviridae (family)