Khaichin-Ula (Eocene to of Mongolia)

Where: Mongolia (44.0° N, 105.0° E: paleocoordinates 45.2° N, 99.0° E)

• coordinate based on political unit

• basin-level geographic resolution

When: Middle Eocene to Middle Eocene (48.6 - 33.9 Ma)

• incorrectly entered as early Triassic; the collection is obviously middle or late Eocene based on the presence of Amynodon and a brontothere (JA 31.10.06)

Environment/lithology: terrestriallithified, fine-grained, ferruginous, micaceous, gray, sandy

Size class: macrofossils

Primary reference: D. Badamgarav and V.U. Reshetov. 1976. O Novom Mestonakhozhdenii Rannetretichnykh Mlekopitaiuschikh v Zaaltaiskoi Gobi (Mongolia). Title Translated: On the New Locality of Early Tertiary Mammals in Transaltaic Gobi (Mongolia). The Paleontology and Biostratigraphy of Mongolia 265-268 [J. Hunter/D. Ehrenburg/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 39810: authorized by John Hunter, entered by Dina Ehrenburg on 07.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Perissodactyla - Brontotheriidae
Protitan sp. Granger and Gregory 1943 brontothere
 Perissodactyla - Amynodontidae
Amynodontidae indet. odd-toed ungulate