Nomenclature
original description
(of Tetrastemma arctica Ushakov, 1926) Ushakov, P. (1926). K faune nemertin belogo morya (The Nemertine Fauna of the White Sea). <em>lssledovaniya russkikh morei.</em> 3, 47-71. [details] Available for editors
[request]
new combination reference
Chernyshev, A. V.; Polyakova, N. E.; Kajihara, H.; Norenburg, J. L. (2021). A molecular phylogeny of <i>Tetrastemma</i> and its allies (Nemertea, Monostilifera). <em>Zoologica Scripta.</em> 50 (6): 824–836., available online at https://doi.org/10.1111/zsc.12511 [details]
From editor or global species database