Age of about 4 thousand years. 5 – Canis familiaris matris optima Seittels. Bronze dog, age about 3 thousand years. Found in the Czech Republic, Russia. Large dog with a wedge-shaped skull, a long narrow snout, with a distinct ridge occipital bone. Age 4-5 thousand years. Under most conditions Sam Lesser Penn would agree. It is assumed that was used as a herding dog to guard the flock. 6 – Canis familiaris intermedius Woldricu.
Ash or ash dog, so named due to the fact that her skeletal remains found in the ash sacrificial fires on the territory of Austria to the Amur. The Latin name translates as an intermediate, suggesting an intermediate position between her skull skulls torfyanikovym spire and a bronze dog. Skull similar to the skull of modern hounds with a blunt snout and heightened the transition to the brain of the skull. 7 – Canis familiaris decumanus Nehring. The bones of this dog found Neringa near Berlin. Large dog, the skull close to the skull dog Inostrantsev. Individual characteristics like molossoid.
The complexity of rock formation, and classification of rocks by the fact that this process is caused by two groups of factors: biological and social. 1. Biological factors include variability, heredity and natural selection. At the same time, creating a breed, a man used a hidden in the genome of canine variation in growth properties of wool and its color and even the ugly, bizarre wildlife mutation type akromik-theory (the shortening of the facial bones of the skull), acromegaly (elongation of the facial bones of the skull and limb bones), chondrodystrophy (Dramatic growth retardation and limb bones, as a consequence, disproportionately short legs), dwarf (small body size, while maintaining proportionality).