Also known as Northern slope of Gaolan mountain

Where: Gansu, China (36.1° N, 103.8° E: paleocoordinates 36.3° N, 100.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Late/Upper Oligocene (28.4 - 23.0 Ma)

• Tentatively correlated with the top of the second Formation (Yehucheng Formation) in the north bank of the Yellow River (Qiu 1990)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; red claystone

Size classes: macrofossils, mesofossils

Collected in 1986

Primary reference: Z. Qiu and Z. Gu. 1988. A New Locality Yielding Mid-Tertiary Mammals Near Lanzhou, Gansu. Vertebrata PalAsiatica 26(3):198-213 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 42061: authorized by Alan Turner, entered by Hannah O'Regan on 23.07.2004, edited by Philip Mannion

Creative Commons license: CC BY (attribution)