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Genus	Species
Alpharetrovirus	23
Badnavirus	155
Betaretrovirus	28
Bovispumavirus	2
Caulimovirus	31
Cavemovirus	5
Deltaretrovirus	10
Dioscovirus	2
Epsilonretrovirus	4
Equispumavirus	2
Errantivirus	20
Felispumavirus	3
Gammaretrovirus	60
Hemivirus	9
Intracisternal A-particles	6
Lentivirus	23
Metavirus	24
Petuvirus	3
Prosimiispumavirus	2
Pseudovirus	21
Rosadnavirus	3
Ruflodivirus	1
Semotivirus	12
Simiispumavirus	37
Sirevirus	6
Solendovirus	3
Soymovirus	11
Tungrovirus	3
Vaccinivirus	2