T. sibirica Deharveng, 1987
– Tetracanthella sibirica Deharveng, 1987: 57
AK Potapov 2001; Babenko & Fjellberg 2006
NT Babenko, unpubl.
NU Babenko & Fjellberg 2006
Remarks: According to Potapov (2001, p. 503), T. sibirica inhabits “the coast of the Arctic Ocean from N Jakutia to Chukotka, Wrangel Is., and Alaska”. We have also seen material from Banks Island, NT. General distribution: Nearctic and Eastern Palaearctic.