Meridiungulata might have originated in South America from a North American condylarth ancestor .
Meridiungulata may be members of the clade Laurasiatheria , related to other ungulates , including artiodactyls and perissodactyls .
Meridiungulata might have originated in South America from a North American condylarth ancestor , and they may be members of the clade Laurasiatheria , related to other ungulates , including artiodactyls and perissodactyls .