Also known as Yimin Coalfield Borehole 78-220, Hulunboir Meng sample #5 (Yimin Formation)

Where: Mongolia, China (48.4° N, 119.8° E: paleocoordinates 51.8° N, 118.5° E)

• coordinate based on political unit

When: Yimin Formation (Jalainor Group), Barremian to Barremian (129.4 - 113.0 Ma)

Environment/lithology: siltstone

Size class: microfossils

Preservation: original sporopollenin

Collection methods: core, chemical, sieve,

Primary reference: W. Li, D. J. Batten, D. Zhang and L. Zhang. 1987. Early Cretaceous megaspores from the Jalainor Group of Northeast Inner Mongolia, P. R. China. Palaeontographica Abteilung B 203(Lfg. 1-6):117-135 [R. Lupia/T. Naeher/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 31890: authorized by Rick Lupia, entered by Tiffany Naeher on 28.05.2003

Creative Commons license: CC BY (attribution)