H. carpenteri (Börner, 1909)

– Isotoma carpenteri Börner, 1909: 109 – Isotoma andrei Mills, 1934: 58 QC Marshall 1964, 1967 as andrei; Christiansen & Bellinger 1980, 1998; Skidmore 1995; Therrien et al. 1999, 1999a; Chagnon et al. 2000, 2001a General distribution: North America, Japan and Russian Far East.