An updated checklist of Canadian and Alaskan Collembola Author Babenko, Anatoly Author Stebaeva, Sophya Author Turnbull, Matthew S. text Zootaxa 2019 2019-05-02 4592 1 1 125 journal article 26934 10.11646/zootaxa.4592.1.1 e5152ce0-a14b-4e7a-a676-26b4765bc49c 1175-5326 2656929 B6FF005C-D0AA-4532-8ACC-43D3DED984EF T. simplex Gisin, 1958 Tullbergia simplex Gisin, 1958: 89 AK Fjellberg 1984 ; Skidmore 1995 ; Babenko & Fjellberg 2006 NU Addison 1975 , 1977 , cf.; Ryan 1977 , cf.; Fjellberg 1984 , 1986 , 1994 ; Babenko 1993 ; Skidmore 1995 ; Babenko & Fjellberg 2006 QC Rochefort 2006 Remarks: This species is in the Mesaphorura genus on www. collembola .org, but its high similarity to T. arctica , T. bella and some other members of the “Nordic group” of Tullbergia sensu Fjellberg (1998) mean this inclusion is probably erroneous (see also Dunger & Schlitt 2011 ). General distribution: Holarctic.