Phenacomys is a scientific name for a genus of small rodents commonly known as the vole. As with many scientific names, the genus name isn't easy to remember or pronounce. Luckily, there are a variety of synonyms for phenacomys that might be more familiar to some people. For example, the common vole, meadow vole, and prairie vole are all members of the phenacomys genus. Additionally, there are many regional names for these rodents, such as field mouse, pine mouse, and woodland vole. No matter what you call them, these tiny rodents play an important role in many ecosystems by providing food for larger animals and helping to distribute seeds and nutrients.