"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.
Tanasevitch A V, Grushko T V (2020) A new species of the genus Silometopus Simon, 1926 from the Caspian Lowland, Russia (Aranei: Linyphiidae). Arthropoda Selecta 29: 495-498
WSC (2023) World Spider Catalog. Version 24. Natural History Museum Bern, online at http://wsc.nmbe.ch (14.02.2023) doi: 10.24436/2