ADL4002. Near the village of Xiangyang (Ordovician of China)

Where: China (25.7° N, 100.3° E: paleocoordinates 25.7° N, 100.2° E)

When: Lower Member (Hsiangyang Formation), Dapingian (470.0 - 467.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; gray, yellow, silty mudstone

• Greyish yellow and dark grey silty mudstones intercalated with siltstones, containing abundant bivalves

Size class: macrofossils

Reposited in the NIGPAS

Primary reference: Z.-J. Fang and J.C.W. Cope. 2004. Early Ordovician Bivalves from Dali, West Yunnan, China. Palaeontology 47(5):1121-1158 [M. Kowalewski/R. Krause/R. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 232222: authorized by Pete Wagner, entered by Pete Wagner on 01.11.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Actinodontida - Cycloconchidae
Fasciculodonta impressa
Fasciculodonta impressa Fang and Cope 2004 clam
 Actinodontida - Redoniidae
Yunnanoredonia laevis
 Heteroconchia - Lipanellidae
Goniophorina (Goniophorina) contracta
 Arcida - Glyptarcidae
Trigonoglyptarca magna
Trigonoglyptarca magna Fang and Cope 2004 clam
 Arcida - Parallelodontidae
Glyptarca sinensis
Rhynchonellata
 Orthida - Archaeorthidae
Nothorthis "sp. A", Nothorthis "sp. B"
Nothorthis "sp. A" Ulrich and Cooper 1938
Nothorthis "sp. B" Ulrich and Cooper 1938
 Orthida - Draboviidae
Nocturnellia "sp. nov."
Strophomenata
 Strophomenida - Rafinesquinidae
Hedstroemina "sp. nov.", Rafinesquina sp.
Rafinesquina sp. Hall and Clarke 1892
Trilobita
 Phacopida - Calymenidae
Neseuretus aff. elegans
Neseuretus aff. elegans Lee 1978 trilobite
 Asaphida - Asaphidae
Asaphidae "gen. et sp. indet.", Liomegalaspides sp.
Asaphidae "gen. et sp. indet." Burmeister 1843 trilobite
Liomegalaspides sp. Lu and Chang 1974 trilobite