Lemmus Trimucronatus is the scientific name for the collared lemming, a small rodent that inhabits the arctic tundra. While this is the official name for the species, there are several other synonyms that are used interchangeably. Some common alternatives include Dicrostonyx torquatus, Myopus schisticolor, and Collared lemming. Each of these names refers to the same species and can be used to describe the collared lemming in scientific or casual contexts. Whether studying arctic ecosystems or simply admiring nature, it's important to familiarize oneself with these synonyms to better understand the diverse flora and fauna of our planet.