Where: Liaoning, China (41.2° N, 119.4° E: paleocoordinates 43.7° N, 121.3° E)
• coordinate based on political unit
• local area-level geographic resolution
When: Dawangzhangzi Member (Yixian Formation), Late/Upper Barremian to Late/Upper Barremian (130.0 - 122.5 Ma)
• bed-level stratigraphic resolution
Environment/lithology: fluvial; brown, gray siliciclastic sediments
Size class: macrofossils
Preservation: adpression
Collection methods: quarrying, hydrochloric,
Primary reference: L. Grande, F. Jin, Y. Yabumoto and W. E. Bemis. 2002. Protopsephurus liui, a Well-Preserved Primitive Paddlefish (Acipenseriformes: Polyodontidae) from the Lower Cretaceous of China. Journal of Vertebrate Paleontology 22(2):209-237 [S. Peters/S. McMullen/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 134420: authorized by Shanan Peters, entered by Sharon McMullen on 08.10.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
Protopsephurus liui Lu 1994 paddlefish |