Order Artiodactyla Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1 637 722 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Tetracerus Leach 1825 Tetracerus Leach 1825 , Trans. Linn. Soc. Lond., 14: 524 . Type Species: Antilope chickara Hardwicke 1825 Species and subspecies: 1 species with 3 subspecies: Species Tetracerus quadricornis (de Blainville 1816) Subspecies Tetracerus quadricornis subsp. quadricornis de Blainville 1816 Subspecies Tetracerus quadricornis subsp. iodes Hodgson 1847 Subspecies Tetracerus quadricornis subsp. subquadricornutus Elliot 1839