Marshack deciphered Aurignacian bone marks as lunar calendars tracking phases from 32,000 BC. Portable calendars on bone aided long hunts by predicting seasons. Aurignacians understood moon cycles, ecliptic, solstices via serpentine mark patterns. Small H. erectus populations in Europe are direct ancestors of Magdalenian astronomer-priests. Pliocene australopithecines in Africa first linked seasons to celestial cycles but H. erectus expanded knowledge. Brightest children trained as astronomer-priests to predict animal cycles via lunar phases. Orion constellation carved on mammoth tusk ivory in Germany 38,000-32,000 BC matches starry hunter pose. Ivory tablet notches count 86 days for human gestation or Betelgeuse visibility. Rappenglück identified zodiac and cosmology in Magdalenian cave art. Cave art prioritizes ritual animals like aurochs as Taurus over dietary ones. Lunar calendars central to Upper Paleolithic predictive astronomy at Ice Age end. Pleiades linked to aurochs rutting and seasonal changes near ecliptic. El Castillo cave in Spain shows Northern Crown constellation 14,000 BP. Animal depictions in caves signify mythic status not hunting magic.