| 80864 | Borradaile, L.A. 1898 Stomatopoda. On some crustaceans from South Pacific, Part 1. Proceedings of the Zoological Society of London:32-38. | 1898 | Zalophus wollebaeki | 170-176 | 
				
			| 1394 | Jefferson, T.A., S. Leatherwood and M.A. Webber 1993 FAO species Identification Guide: Marine Mammals of the World. Rome, FAO. 320 p. + 587 figures. | 1993 | Zalophus californianus wollebaeki | 230-231 | 
				
			| 80426 | Palacios, D.M., F. Felix, L. Florez-Gonzalez, J.J. Cappela, D. Chiluiza and B.J.M. Haase 1997 Sightings of Galapagos sea lions (Zalophus californianus wollebaeki) on the coasts of Columbia and Ecuador. Mammalia 61:114-116. | 1997 | Zalophus californianus wollebaeki | 115 | 
				
			| 1522 | Rice, D.W. 1998 Marine Mammals of the World Systematics and Distribution. Special Publication number 4: The Society for Marine Mammalogy. 231p. | 1998 | Zalophus wollebaeki | 30 | 
				
			| 80425 | Capella, J.J., L. Florez-Gonzalez, P. Falk-Fernandez and D.M. Palacios 2002 Regular appearance of Otariid pinnipeds along the Colombian Pacific coast. Aquatic Mammals 28.1-67-72. | 2002 | Zalophus wollebaeki | 68 | 
				
			| 80427 | Salazar, S. and R.H. Bustamante 2003 Effects of the 1997-98 El Nino on population size and diet of the Galapagos sea lion (Zalophus wollebaeki). Noticias de Galapagos 62:40-45. | 2003 | Zalophus wollebaeki | 43 | 
				
			| 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 | Zalophus wollebaeki | --> | 
				
			| 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 | Zalophus wollebaeki | --> | 
				
			| 127697 | IUCN 2022 The IUCN Red List of Threatened Species. Version 2022-1. . Downloaded 15 September 2022. | 2022 | Zalophus wollebaeki | --> | 
				
			| 130435 | IUCN 2025 The IUCN Red List of Threatened Species. 1964 - onwards. https://www.iucnredlist.org/ | 2025 | Zalophus wollebaeki | ver.2025-1 |