W. scandinavica Stach, 1949
– Willemia scandinavica Stach, 1949: 244
AK Fjellberg 1985; Skidmore 1995; Babenko & Fjellberg 2006
NU Fjellberg 1986, 1994; Babenko 1993; Babenko & Bulavintsev 1997; Niwranski et al. 2002; Babenko & Fjellberg 2006 BC Rusek & Marshall 1995; Cannings 2010
General distribution: Holarctic.