Rhinoceros sondaicus inermis Lesson, 1838:514

Indian Javan rhinoceros



Taxonomy & Nomenclature

Synonym/s: Rhinoceros inermis Lesson, 1838:514


Conservation Status


Last record: before 1925

IUCN RedList status: Extinct



Northeastern India, Bangladesh and Myanmar


Biology & Ecology










Original scientific description:

Lesson, R. P. (1838). Complément de Buffon. Deuxieme edition. Races humaines et mammifères. P. Pourrat Frères, Éditeus, Paris, France.


Other references:

Groves, Colin P. and Leslie Jr., David M. (2011). Rhinoceros sondaicus (Perissodactyla: Rhinocerotidae). Mammalian Species 43(887): 190-208.

Joslin, Paul and Maryanka, Daphne. (1968). Endangered Mammals of the World: Report on Status and Action Treatment. IUCN Publications, New Series, Supplementary Paper No. 13: 34 pp. [relevant reference?]

Loch, C. W. (1937). Rhinoceros sondaicus. The Javan or lesser one-horned rhinoceros and its geographical distribution. J. Malay. Brch. R. Asiat. Soc. IS 1937: 130-149.

Margaryan, Ashot et al. (2020). Recent mitochondrial lineage extinction in the critically endangered Javan rhinoceros. Zoological Journal of the Linnean Society. doi:

Rookmaaker, Kees. (1997). Records of the Sundarbans Rhinoceros (Rhinoceros sondaicus inermis) in India and Bangladesh. Pachyderm, No. 24, Jul-Dec 1997.

Rookmaaker, Kees. (2019). The hornless rhinoceros (Rhinoceros sondaicus inermis Lesson, 1836) discovered by Lamare-Picquot in the Sundarbans of Bangladesh in 1828, with notes on the history of his Asian collections. Mammalia.

Talukdar, N.R., Choudhury, P., Barbhuiya, R. A., Ahmad, F., Daolagupu, D. and Baishya, J. B. (2021). Mammals of northeastern India: an updated checklist. Journal of Threatened Taxa 13(4): 18059-18098.

van Strien, N.J., Steinmetz, R., Manullang, B., Sectionov, Han, K.H., Isnan, W., Rookmaaker, K., Sumardja, E., Khan, M.K.M. & Ellis, S. (2008). Rhinoceros sondaicus. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. ( Downloaded on 12 June 2012.