Also known as PGAP 223

Where: Ningxia, China (38.9° N, 105.6° E: paleocoordinates 41.7° N, 109.8° E)

• coordinate estimated from map

When: Zhiluo Formation, Middle Jurassic (175.6 - 161.2 Ma)

Environment/lithology:

Size class: macrofossils

Primary reference: Ningxia Stratigraphic Group. 1980. The Stratigraphic Tables of Ningxia. Geology Press 1-188 [A. Rees/A. Rees] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 29738: authorized by Allister Rees, entered by Allister Rees on 02.04.2003