Luristan bronze by most families. Taking the groups in what is now generally considered to be their broad chronological sequence, the first are the "animal finials", with two rampant confronted animals, generally a pair of large-horned ibex (or goats or mouflon sheep) or felines, facing each other with a central tube or open rings (formed at the junctions of their front and hind feet) between them. The bezoar ibex ("capra aegagrus aegagrusis"), the local wild species of goat or ibex, was already domesticated millennia before; it has large curved horns with knobbly ribs. Compared to later types, the animals are more naturalistic,
Wild horse cranial and metacarpal differences, indicates the presence of only two subspecies in postglacial times, the tarpan and Przewalski's horse. At present, the domesticated and wild horses are considered a single species, with the valid scientific name for the horse species being "Equus ferus." The wild tarpan subspecies is "E. f. ferus", Przewalski's horse is "E. f. przewalskii", and the domesticated horse is "E. f. caballus". The rules for the scientific naming of animal species are determined in the International Code of Zoological Nomenclature, which stipulates that the oldest available valid scientific name is used to name the species. Previously, when