Colubridae Oppel, 1811
Arrhyton ainictum Schwartz & Garrido, 1981
Arrhyton callilaemum Gosse, 1851
Arrhyton dolichura Werner, 1909
Arrhyton exiguum Cope, 1863
Arrhyton funereum Cope, 1862
Arrhyton landoi Schwartz, 1965
Arrhyton polylepis Buden, 1966
Arrhyton procerum Hedges & Garrido, 1992
Arrhyton redimitum Cope, 1863
Arrhyton supernum Hedges & Garrido, 1992
Arrhyton taeniatum Günther, 1858
Arrhyton tanyplectum Schwartz & Garrido, 1981
Arrhyton vittatum Gundlach, 1861