Traits Taxon list
Abacion creolum (Chamberlin, 1942) accepted as Abacion tesselatum Rafinesque, 1820
Abacion highlandense (Hoffman, 1950) accepted as Abacion magnum (Loomis, 1943)
Abacion lactarium (Say, 1821)
Abacion magnum (Loomis, 1943)
Abacion spinosa (Sager, 1856) accepted as Abacion tesselatum Rafinesque, 1820
Abacion tesselatum Rafinesque, 1820
Abacion tesselatum creolum (Chamberlin, 1942)
Abacion texensis (Loomis, 1937)
Abacion wilhelminae Shelley, McAllister & Hollis, 2003
Tetracion antraeum Hoffman, 1956
Tetracion jonesi Hoffman, 1956
Tetracion jonesi jonesi Hoffman, 1956
Tetracion tennesseensis Causey, 1959