S. (S.) ununguiculata (Tullberg, 1869)
– Achorutes ununguiculatus Tullberg, 1869: 11
NU Brown 1932; Davis 1936; Christiansen & Bellinger 1980, 1998; Danks 1981; Babenko & Fjellberg 2006
QC Christiansen & Bellinger 1980, 1998; Skidmore 1995
General distribution: Holarctic.