– Isotoma albella Packard, 1873: 32
– Isotoma leonina Packard, 1873: 32
MB Hammer 1953; Christiansen & Bellinger 1980, 1998; Skidmore 1995; Babenko & Fjellberg 2006
ON James 1933; Brown 1934 both as leonina; Folsom 1937 as albella and leonina; Christiansen & Bellinger 1980, 1998; Skidmore 1995
General distribution: Nearctic.