@misc{indiciaeffbf3abc1fd7,
  title = {Upper premolar-molar structure in the notoungulata with notes on taxonomy / Publication. Field Museum of Natural History. Geological series — Illustration, Page 100},
  year = {1934},
  url = {https://www.biodiversitylibrary.org/page/4360580},
  note = {Source identifier: page-4360580}
}