M. pacifica Rusek, 1976

– Mesaphorura pacifica Rusek, 1976: 30 BC Rusek 1976; Christiansen & Bellinger 1980, 1998; Battigelli & Marshall 1993; Setälä & Marshall 1994; Rusek & Marshall 1995; Skidmore 1995; Addison et al. 2003, 2003a; Cannings 2010; Stebaeva et al. 2016 QC Therrien et al. 1999, 1999a; Chagnon et al. 2000, 2001 General distribution: Nearctic.