Jiufotang formation, Badaohao, Heishan county (Cretaceous of China)

Where: Liaoning, China (41.8° N, 122.0° E: paleocoordinates 45.3° N, 122.0° E)

• coordinate estimated from map

When: Jiufotang Formation (Jehol Group), Aptian (125.0 - 113.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithified sandstone and lithified conglomerate

• Lower part: fluvial deposits, upper part lacustrine deposits
• Lower part: red-brown, gray pebble and conglomerate layers; the pebbles have a diameter of 2-15 cm, medium rounded, cemented by loam and tuff. Middle part: mainly sandstone, intercalated are sandy mudstone and occasionally thin pebbly layers, cemented by loam and tuff and some coal layers. Upper part: dark-gray mudstone and fine sandstone, interbedded with shale.

Size classes: macrofossils, mesofossils, microfossils

Primary reference: K. Xu, Y. Li, R. Li and R. Wang. 1998. Discovery of the Dinosaur fossil in Heishan, Liaoning and its stratigraphical significance. Journal of stratigraphy (=Dicengxue-zazhi) 22(3):227-231 [J. Alroy/S. Kuemmell/S. Kuemmell]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 36970: authorized by John Alroy, entered by Susanna Kümmell on 20.02.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Architaenioglossa - Viviparidae
Viviparus sp. Montfort 1810 snail
 Leptolepidiformes - Leptolepididae
Lycoptera sp. Müller 1847