Genus Myopus is a small group of mammals that belong to the rodent family. Synonyms for this genus include the northern bog lemming and the tundra vole. These animals are found in the Arctic regions of North America and Eurasia and are known for their small size and rounded ears. Many species within this genus have adapted to living in cold climates and have thick fur to keep them warm. Some other synonyms that are sometimes used for this genus include Myodes, Lemmus, and Eolagurus. These different names help scientists and researchers to better understand the characteristics of these fascinating little rodents and their role in the ecosystem.