There are several synonyms for the word "Neofiber Alleni". Some of the synonyms include Allen's Neofiber, Neofiberus Alleni, and Allen's marsh rat. The Neofiber Alleni is a species of rodent that is native to South America. It is found in the marshy areas of Brazil, Argentina, and Paraguay, where it lives in burrows and feeds on aquatic plants. The Allen's Neofiber is a small rodent that has a brown coat, short ears, and a long tail. It is an important prey species for predators in its range and plays an important role in the marshland ecosystem. The Neofiber Alleni is an interesting and unique animal with a rich history in South American wildlife.