[viruses]
   Family Circoviridae
     Genus Circovirus
       01 Barbel circovirus
       02 Bat associated circovirus 1
       03 Bat associated circovirus 2
       04 Bat associated circovirus 3
       05 Bat associated circovirus 4
       06 Bat associated circovirus 5
       07 Bat associated circovirus 6
       08 Bat associated circovirus 7
       09 Bat associated circovirus 8
       10 Bat associated circovirus 9
       11 Bat associated circovirus 10
       12 Bat associated circovirus 11
       13 Beak and feather disease virus
       14 Canary circovirus
       15 Canine circovirus
       16 Chimpanzee associated circovirus 1
       17 Duck circovirus
       18 European catfish circovirus
       19 Finch circovirus
       20 Goose circovirus
       21 Gull circovirus
       22 Human associated circovirus 1
       23 Mink circovirus
       24 Pigeon circovirus
       25 Porcine circovirus 1ᵀ
       26 Porcine circovirus 2
       27 Porcine circovirus 3
       28 Raven circovirus
       29 Rodent associated circovirus 1
       30 Rodent associated circovirus 2
       31 Rodent associated circovirus 3
       32 Rodent associated circovirus 4
       33 Rodent associated circovirus 5
       34 Rodent associated circovirus 6
       35 Starling circovirus
       36 Swan circovirus
       37 Tick associated circovirus 1
       38 Tick associated circovirus 2
       39 Zebra finch circovirus