Malayan roundleaf bat

Malayan roundleaf bat
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Chiroptera
Family: Hipposideridae
Genus: Hipposideros
H. nequam
Binomial name
Hipposideros nequam
Malayan Roundleaf Bat area.png
Malayan roundleaf bat range

The Malayan roundleaf bat (Hipposideros nequam) is a horseshoe bat found only in Malaysia. It is listed as a data deficient species.


It was described as a new species in 1918 by Danish mammalogist Knud Andersen. The holotype had been collected in 1879[2] by W. Davison in Klang, Malaysia. It was presented to Andersen by Allan Octavian Hume.[3] It is considered a member of the bicolor species group within Hipposideros based on its morphology. The holotype is the only known specimen of this species.[4] As it was damaged, it is uncertain if the Malayan roundleaf bat is truly a distinct species.[1] Its species name "nequam" is Latin for "worthless."


The forearm length of the holotype was 46 mm (1.8 in). It had a large nose-leaf of 6 mm (0.24 in) in length and 8 mm (0.31 in) in width. Its first premolar is small and its nasal septum is very thin.[3]

Range and habitat

The Malayan roundleaf bat is only known from the type locality of Klang, Malaysia.[1][3]


As of 2016, it is evaluated as a data deficient species by the IUCN. It meets the criteria for this assessment because it is known from only a single specimen; there is no information on its ecological requirements; and its extent of occurrence is unknown.[1]


  1. ^ a b c d Senawi, J.; Bates, P.; Francis, C. (2016). "Hipposideros nequam". The IUCN Red List of Threatened Species. 2016: e.T10152A22101545. doi:10.2305/IUCN.UK.2016-2.RLTS.T10152A22101545.en.
  2. ^ "1885.8.1.369". Natural History Museum. Natural History Museum's Biodiversity Informatics Group. 19 September 2014. Retrieved 6 August 2018.
  3. ^ a b c Andersen, K. (1918). "Diagnoses of new bats of the families Rhinolophidae and Megadermatidae". The Annals and Magazine of Natural History; Zoology, Botany, and Geology. 9. 2: 381.
  4. ^ Murray, Susan W; Campbell, Polly; Kingston, Tigga; Zubaid, Akbar; Francis, Charles M; Kunz, Thomas H (2012). "Molecular phylogeny of hipposiderid bats from Southeast Asia and evidence of cryptic diversity". Molecular Phylogenetics and Evolution. 62 (2): 597–611. doi:10.1016/j.ympev.2011.10.021. PMID 22079552.

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