AFI 4012. Chenjiahe section (Ordovician of China)

Where: Hubei, China (30.9° N, 111.4° E: paleocoordinates 12.8° N, 137.5° E)

• coordinate estimated from map

When: Exigraptus clavus graptolite zone, 3 Member (Dawan Formation), Dapingian (470.0 - 467.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: nodular, calcareous mudstone and limestone

Size class: macrofossils

Primary reference: R. Zhan, J. Jin, and P. Chen. 2007. Brachiopod diversification during the Early–Mid Ordovician: an example from the Dawan Formation, Yichang area, central China. Canadian Journal of Earth Sciences 44:9-24 [P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 186123: authorized by Pete Wagner, entered by Pete Wagner on 15.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Billingsellida - Polytoechiidae
 Billingsellida - Gonambonitidae
 Strophomenida - Taffiidae
Schedophyla striata Xu et al. 1974
 Pentamerida - Clarkellidae
"Yangtzeella poloi" = Yangtzeella (Yangtzeella) poloi Martelli 1901
 Protorthida - Skenidiidae
 Orthida - Draboviidae
 Orthida - Plectorthidae
 Lingulida - Disciniidae
Orbiculoidea sp. d'Orbigny 1847