Serebritskaya K.I.1,2*, Alekseev V.R.2, Chaban O.A.2 2026. Meiobenthic copepods of Lake Tverdoye, Severnaya Zemlya Archipelago // Arthropoda Selecta. Vol.35. No.2: 169–174 [in English].
1 Arctic and Antarctic Research Institute, Beringa street 38, St. Petersburg 199397 Russia.
2 Zoological Institute RAS, Universitetskaya emb. 1, St. Petersburg 199034 Russia.
* Corresponding author
Katarina Serebritskaya: katarina.serebritskaya@zin.ru https://orcid.org/0009-0005-9612-9363
Victor Alekseev: alekseev@zin.ru https://orcid.org/0000-0002-1968-2609
Olga Chaban: olga.chaban@zin.ru https://orcid.org/0009-0006-4136-8831
doi: 10.15298/arthsel.35.2.04
ABSTRACT. New records of two Copepoda species (Harpacticoida and Cyclopoida) from freshwater habitats of Bolshevik Island, Severnaya Zemlya archipelago, are presented. Attheyella nordenskioldii (Lilljeborg, 1902) is compared morphologically with populations from other localities, and Archaeodiacyclops okhensis Chaban et Alekseev, 2024 is reported for the first time from the Russian Arctic.
KEY WORDS: Arctic, Severnaya Zemlya, Bolshevik Island, Lake Tverdoye, meiobenthos, Copepoda, Harpacticoida, Cyclopoida, Attheyella nordenskioldii, Archaeodiacyclops okhensis, first record, range expansion.