TY - ART TI - New stratigraphic subdivision, depositional environment, and age estimate for the Upper Cretaceous Djadokhta Formation, southern Ulan Nur Basin, Mongolia / American Museum novitates — Illustration, Page 6 PY - 2005 UR - https://www.biodiversitylibrary.org/page/60798020 ID - page-60798020 ER -