– Isotoma Besselsii Packard, 1877: 52
AK Essig 1926; MacLean et al. 1978; Christiansen & Bellinger 1980, 1998; Skidmore 1995; Potapov 2001; Babenko & Fjellberg 2006
NU McLachlan 1879; Brown 1932; Davis 1936; Hammer 1938, 1953, 1953a; Christiansen & Bellinger 1980, 1998; Danks 1981; Fjellberg 1986, 1994; Babenko 1993; Skidmore 1995; Potapov 2001; Babenko & Fjellberg 2006
MB Hammer 1953; Skidmore 1995
QC Skidmore 1995; Therrien et al. 1999a
General distribution: Holarctic.