The limestone rat (''Niviventer hinpoon'') is a species of

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 n ...

in the family Muridae found only in the

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

karsts of

Saraburi Saraburi City (''thesaban mueang'') is the provincial capital of Saraburi Province in central Thailand. In 2020, it had a population of 60,809 people, and covers the complete ''tambon'' Pak Phriao of the Mueang Saraburi district. Location Sa ...

Lopburi Lopburi ( th, ลพบุรี, , ) is the capital city of Lopburi Province in Thailand. It is about northeast of Bangkok. It has a population of 58,000. The town (''thesaban mueang'') covers the whole ''tambon'' Tha Hin and parts of Th ...

, Nakhon Sawan provinces, central

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...

. It is listed as an endangered species due to its highly fragmented limestone karst habitat that is currently threatened by mining.

References

* Baillie, J. 1996.
''Niviventer hinpoon''

2006 IUCN Red List of Threatened Species.
Downloaded on 19 July 2007. * Niviventer Endemic fauna of Thailand Rodents of Thailand Mammals described in 1976 Near threatened biota of Asia Taxonomy articles created by Polbot Limestone {{Niviventer-stub