Archaeologist unearths evidence of dogs being traded within Mayan societiesResearchers used strontium isotope mapping to identify these long-distance trades A University of Calgary archaeologist has found evidence that the Classic Period Maya were trading live dogs over long distances between the northern Yucatan peninsula and central Chiapas regions. Dr. Elizabeth Paris , PhD, an associate professor of Anthropology and Archaeology in the Faculty of Arts , studied the bones and enamel of deer and dogs found in the Maya archaeological sites of Moxviquil and Tenam Puente in highland Chiapas, Mexico.