The wild group and the domesticated group are sometimes considered separate species, with the wild gaur called Bibos gauris or Bos gaurus, and the domesticated gayal or mithun (mithan) called Bos frontalis Lambert, 1804.
When wild Bos gaurus and the domestic Bos frontalis are considered to belong to the same species the older name Bos frontalis is used, according to the rules of the International Commission on Zoological Nomenclature (ICZN). However, in 2003, the ICZN "conserved the usage of 17 specific names based on wild species, which are pre-dated by or contemporary with those based on domestic forms", confirming Bos gaurus for the Gaur.
Molecular phylogeny of the gayal in yunnan china inferred from the analysis of Cytochrome b gene entire sequences.(Report)
Jun 01, 2008; ABSTRACT: The Gayal (Bos frontalis) in China is a very rare semi-wild and semi-domestic bovine species. There still exist...