Pictish beasts zodiac?

A recurrent but variant set of about 28 Pictish beasts and 16 signs, are carved on 400 stones in north-eastern Scotland. The characters have been interpreted as totems, names, pictograms, letters, myths, days, hours, months or constellations. Structural analysis of the designs on 20 Pictish stones, reveal them as subconscious expressions of the sixteen archetypes.