The Dayak roundleaf bat (''Hipposideros dyacorum''), also known as the least roundleaf bat, is a species of bat in the family Hipposideridae. It is endemic to

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 ...

and

Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...

Taxonomy

The Dayak roundleaf bat was described as a new species in 1902 by British zoologist Oldfield Thomas. Thomas named it ''Hipposiderus dyacorum'', misspelling the genus ''Hipposideros''. The

holotype A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of seve ...

had been collected by Charles Hose on Mount Mulu, Malaysia.

Description

Its forearm length is , and individuals weigh .

References

Hipposideros Mammals described in 1902 Taxonomy articles created by Polbot Bats of Southeast Asia Taxa named by Oldfield Thomas {{Rhinolophidae-stub