The Alamuscus or Pteromuscus/Pteromus (plural: Alamusci or Pteromusci/Pteromi), also known as the Winged Mouse, Flying Mouse or Musvolans is a petite, winged creature that is a mouse with feathered wings of bird's. These bird-winged mice are so tiny than regular mice or compared to that of Alarattus.
This word Alamuscus is from Latin. It means 'winged mouse' (ala: wing, muscus: little mouse).
This word Musvolans is also from Latin. It means 'flying mouse, flying little mouse' (mus: mouse, volans: flying).