| 2219 | Davis, J.A. 1978 A classification of otters. p. 14-33. In N. Duplaix (ed.) Otters. IUCN Publication New Series. IUCN, Morges, Switzerland. | 1978 | Aonyx cinerea | --> | 
				
			| 79550 | Foster-Turley, P. 1992 Conservation aspects of the ecology of Asian small-clawed and smooth otters on the Malay Peninsula. IUCN Otter Spec. Group Bull. 7:26-29. | 1992 | Aonyx cinerea | --> | 
				
			| 85181 | Kruuk, H., B. Kanchanasaka, S. O'Sullivan and S. Wanghongsa 1994 Niche separation in three sympatric otters Lutra perspicillata, Lutra lutra and Aonyx cinerea in Huai Kha Khaeng, Thailand. Biological Conservation 69:115-120. | 1994 | Aonyx cinerea | --> | 
				
			| 1522 | Rice, D.W. 1998 Marine Mammals of the World Systematics and Distribution. Special Publication number 4: The Society for Marine Mammalogy. 231p. | 1998 | Aonyx cinerea | 146 | 
				
			| 1522 | Rice, D.W. 1998 Marine Mammals of the World Systematics and Distribution. Special Publication number 4: The Society for Marine Mammalogy. 231p. | 1998 | Aonyx cinerea concolor | 146 | 
				
			| 1522 | Rice, D.W. 1998 Marine Mammals of the World Systematics and Distribution. Special Publication number 4: The Society for Marine Mammalogy. 231p. | 1998 | Aonyx cinerea cinerea | 146 | 
				
			| 1522 | Rice, D.W. 1998 Marine Mammals of the World Systematics and Distribution. Special Publication number 4: The Society for Marine Mammalogy. 231p. | 1998 | Aonyx cinerea nirnai | 146 | 
				
			| 114842 | Ng, P.K. and N. Sivasothi 1999 Guide to the Mangroves of Singapore II (Animal Diversity). Singapore Science Centre, pp. 1-158. | 1999 | Amblonyx cinereus | 158 | 
				
			| 19 | Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum 2005 Species 2000 & ITIS Catalogue of Life: 2005 Annual Checklist. CD-ROM; Species 2000: Reading, U.K. | 2005 | Aonyx cinerea | --> | 
				
			| 84930 | IUCN 2010 IUCN Red List of Threatened Species. Version 2010.2. IUCN 2010. IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded in August 2010. | 2010 | Aonyx cinerea | --> | 
				
			| 91365 | Aquino, T. 2012 Philippine marine mammals. Personal communication 29 August 2012. | 2012 | Aonyx cinerea | --> | 
				
			| 102318 | CITES and UNEP-WCMC 2015 The Checklist of CITES Species Website. Appendices I, II and III valid from 05 February 2015. CITES Secretariat, Geneva, Switzerland. Compiled by UNEP-WCMC, Cambridge, UK. Http://checklist.cites.org. [Accessed 04/11/2015]. | 2015 | Aonyx cinerea | --> | 
				
			| 106860 | IUCN 2015 IUCN Red List of Threatened Species.  Version 2015.4. IUCN 2015.  IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded in December 2015. | 2015 | Aonyx cinereus | --> | 
				
			| 115941 | CITES, UNEP-WCMC 2017 The Checklist of CITES Species Website. Appendices I, II and III valid from 04 April 2017. CITES Secretariat, Geneva, Switzerland. Compiled by UNEP-WCMC, Cambridge, UK. https://www.cites.org/eng/app/appendices.php [Accessed 01/08/2017]. | 2017 | Aonyx cinerea | 10 | 
				
			| 118484 | CITES, UNEP-WCMC 2017 The Checklist of CITES Species Website. Appendices I, II and III valid from 04 October 2017. CITES Secretariat, Geneva, Switzerland. Compiled by UNEP-WCMC, Cambridge, UK. https://www.cites.org/eng/app/appendices.php [Accessed 08/17/2017]. | 2017 | Aonyx cinerea | --> | 
				
			| 123588 | CITES, UNEP-WCMC 2021 The Checklist of CITES Species Website. Appendices I, II and III valid from 14 February 2021. CITES Secretariat, Geneva, Switzerland. Compiled by UNEP-WCMC, Cambridge, UK. https://cites.org/eng/app/appendices.php [Accessed 16 February 2021]. | 2021 | Aonyx cinerea | --> | 
				
			| 127240 | CITES, UNEP-WCMC 2022 The Checklist of CITES Species Website. Appendices I, II and III valid from 22 June 2022. CITES Secretariat, Geneva, Switzerland. Compiled by UNEP-WCMC, Cambridge, UK. https://cites.org/eng/app/appendices.php [Accessed 08/09/2022]. | 2022 | Aonyx cinerea | --> | 
				
			| 127697 | IUCN 2022 The IUCN Red List of Threatened Species. Version 2022-1. . Downloaded 15 September 2022. | 2022 | Aonyx cinereus | --> | 
				
			| 128078 | CITES 2023 Appendices I, II and III valid from 11 January 2023 and 25 November 2023. UNEP. | 2023 | Aonyx cinereus | --> | 
				
			| 131153 | CITES 2050 Appendices I, II and III. UNEP. | 2050 | Aonyx cinereus | ver.07Feb2025 |