''Waiomys'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...

s from the family

Muridae The Muridae, or murids, are the largest family of rodents and of mammals, containing approximately 1,383 species, including many species of mice, rats, and gerbils found naturally throughout Eurasia, Africa, and Australia. The name Muridae come ...

. It is endemic to

Sulawesi Sulawesi (), also known as Celebes (), is an island in Indonesia. One of the four Greater Sunda Islands, and the world's eleventh-largest island, it is situated east of Borneo, west of the Maluku Islands, and south of Mindanao and the Sulu Ar ...

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

. The genus is

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

, consisting of the species ''Waiomys mamasae'' (Sulawesi water rat). It is known only from Mount Gandangdewata,

Mamasa Regency Mamasa Regency ( id, Kabupaten Mamasa) is one of the six regencies that make up the West Sulawesi Province, Indonesia, on the island of Sulawesi. It covers a land area of 3,005.88 km2. The population was 140,082 at the 2010 Census and 163,3 ...

West Sulawesi West Sulawesi ( id, Sulawesi Barat) is a province of Indonesia. It is located on the western side of Sulawesi island. It covers an area of 16,787.18 km2, and its capital is Mamuju. The 2010 Census recorded a population of 1,158,651, while t ...

References

{{Taxonbar, from1=Q18706617, from2=Q17254440 Mammals described in 2014 Endemic fauna of Indonesia Rodents of Sulawesi Monotypic rodent genera Old World rats and mice Rodent genera