Okapia, Taxa Only, Exact Match: 10 Treatments

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Okapia johnstoni     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Artiodactyla, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 637-722 : 672 672
Okapia johnstoni     James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Artiodactyla, Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA: Alien Press, Inc. & The Association of Systematics Collections, pp. 315-343 : 325 325
Okapia     James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Artiodactyla, Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA: Alien Press, Inc. & The Association of Systematics Collections, pp. 315-343 : 325 325
Okapia johnstoni     Peter Grubb, 1993, Order Artiodactyla, Mammal Species of the World (2 nd Edition), Washington and London: Smithsonian Institution Press, pp. 377-414 : 383 383
Okapia     Peter Grubb, 1993, Order Artiodactyla, Mammal Species of the World (2 nd Edition), Washington and London: Smithsonian Institution Press, pp. 377-414 : 383 383
Okapia     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Artiodactyla, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 637-722 : 672 672
Gobius okapia   new species  Robins, C. Richard & Böhlke, James E., 1964, Two new Bahaman gobiid fishes of the genera Lythrypnus and Garmannia, Notulae Naturae 364, pp. 1-6 : 2 2
Okapia johnstonii     Don E. Wilson & Russell A. Mittermeier, 2011, Giraffidae, Handbook of the Mammals of the World – Volume 2 Hoofed Mammals, Barcelona: Lynx Edicions, pp. 788-802 : 801-802 801-802
Ixodes okapiae     Guglielmone, Alberto A., Nava, Santiago & Robbins, Richard G., 2023, Geographic distribution of the hard ticks (Acari: Ixodida: Ixodidae) of the world by countries and territories, Zootaxa 5251 (1), pp. 1-274 : 27 27
Ixodes okapiae     Guglielmone, Alberto A., Petney, Trevor N. & Robbins, Richard G., 2020, Ixodidae (Acari: Ixodoidea): descriptions and redescriptions of all known species from 1758 to December 31, 2019, Zootaxa 4871 (1), pp. 1-322 : 53 53