S. occultus Mills, 1934
– Sminthurides occultus Mills, 1934: 91
NT Hammer 1953; Christiansen & Bellinger 1981, 1998; Skidmore 1995; Babenko & Fjellberg 2006
BC Cannings 2010
MB Folsom & Mills 1938; McClure 1943; Maynard 1951; Christiansen & Bellinger 1981, 1998; Skidmore 1995
ON Maynard 1951; Christiansen & Bellinger 1981, 1998; Skidmore 1995
QC Marshall 1964, 1967, cf.; Therrien et al. 1999, 1999a; Chagnon et al. 2000; Huebner et al. 2012
General distribution: Nearctic.