AFI 4017. 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 186129: 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
0:0:0:2:0:6:1
Martellia ichangensis Wang 1956
2:3:0:0:1:0:0
 Billingsellida - Gonambonitidae
Atelelasmoidea typica Zeng 1987
0:0:0:0:0:1:0
 Strophomenida - Sowerbyellidae
Sowerbyellidae indet. Opik 1930
1:0:0:0:0:0:0
Rhynchonellata
 Pentamerida - Clarkellidae
"Yangtzeella poloi" = Yangtzeella (Yangtzeella) poloi
"Yangtzeella poloi" = Yangtzeella (Yangtzeella) poloi Martelli 1901
5:0:0:2:0:2:0
 Protorthida - Skenidiidae
Protoskenidioides huanghuaensis
0:2:7:160:86:215:115
 Orthida - Draboviidae
Eodiorthelasma sp.
0:0:0:4:0:1:0
 Orthida - Glyptorthidae
Lepidorthis typicalis
0:1:0:0:0:0:0
 Orthida - Orthidae
Paralenorthis serica Chang 1934
0:0:0:2:0:0:0
Sulcatorthis sulcata
0:0:0:0:0:1:0
 Orthida - Hesperorthidae
Dolerorthis sp. Schuchert and Cooper 1931
0:0:0:3:0:0:0
 Orthida - Euorthisinidae
Euorthisina multicostata
0:0:0:21:11:10:9
Lingulata
 Lingulida - Disciniidae
Orbiculoidea sp. d'Orbigny 1847
0:0:0:0:0:1:0
 Lingulida - Obolidae
Palaeoglossa sp. Cockerell 1911
0:0:0:0:0:2:0