AFI 4018. Chenjiahe section (Ordovician of China)

Where: Hubei, China (30.9° N, 111.4° E: paleocoordinates 11.0° N, 134.8° E)

• coordinate estimated from map

When: Undulograptus austrodentatus graptolite zone, 3 Member (Dawan Formation), Darriwilian (467.3 - 458.4 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: paleoecologic analysis

PaleoDB collection 186130: authorized by Pete Wagner, entered by Pete Wagner on 15.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Billingsellida - Polytoechiidae
Tritoechia mina
0:0:1:0:0:0:0
Martellia ichangensis Wang 1956
1:2:2:0:0:0:0
Rhynchonellata
 Pentamerida - Clarkellidae
"Yangtzeella poloi" = Yangtzeella (Yangtzeella) poloi
"Yangtzeella poloi" = Yangtzeella (Yangtzeella) poloi Martelli 1901
1:18:7:0:0:0:0
 Protorthida - Skenidiidae
 Orthida - Archaeorthidae
Nothorthis perplexa Xu and Liu 1984
0:1:0:2:0:2:0
 Orthida - Glyptorthidae
Lepidorthis typicalis
0:1:1:0:0:0:2
Lingulata
 Lingulida - Obolidae
Palaeoglossa sp. Cockerell 1911
0:0:0:0:0:1:0