Where: Nei Mongol, China (39.2° N, 105.6° E: paleocoordinates 39.9° N, 101.6° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Ulantatal Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)

• "lower red beds" equivalent to "lower part" of formation; beds 1-7 from bottom on section (Fig. 2). Stated as "early medial Oligocene"

•JA: the traditional terrestrial "middle Oligocene" is equivalent to the modern marine early Oligocene

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; siltstone and sandstone

Size class: macrofossils

Collected in 1988-1989

Primary reference: B.-Y. Wang and P.-Y. Wang. 1991. Discovery of early medial Oligocene mammalian fauna from Kekeamu, Alxa Left Banner, Nei Mongol. Vertebrata PalAsiatica 29(1):64-71 [M. Carrano/M. Carrano/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 34695: authorized by Matthew Carrano, entered by Matthew Carrano on 16.09.2003, edited by Philip Mannion

Creative Commons license: CC BY (attribution)