Where: Zhejiang, China (28.9° N, 118.5° E: paleocoordinates 4.5° N, 127.4° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Nemagraptus gracilis graptolite zone, Yenwashan Formation, Sandbian (458.4 - 453.0 Ma)
• Lowest part of formation; overlies Hulo formation; underlies Huangnekang formation.
• group of beds-level stratigraphic resolution
Environment/lithology: nodular, argillaceous limestone
Size class: mesofossils
Primary reference: Z. Zhen, Y. Zhang, and I. G. Percival. 2009. Early Sandbian (Late Ordovician) conodonts from the Yenwashan Formation, western Zhejiang, South China. Alcheringa 33(2):133-161 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 203714: authorized by Pete Wagner, entered by Pete Wagner on 22.08.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Conodonta | |
Costiconus ethingtoni Fåhræus 1966 conodont | |
Drepanoistodus sp. Lindstrom 1971 conodont
Drepanoistodus ? suberectus Branson and Mehl 1933 conodont
Venoistodus balticus Löfgren 2006 conodont | |
Protopanderodus cooperi conodont
Protopanderodus varicostatus conodont | |
Periodon aculeatus Hadding 1913 conodont | |
Spinodus spinatus conodont | |
Complexodus sp. Dzik 1976 conodont | |
"Drepanodus cf. arcuatus" = Acodus similaris
"Drepanodus cf. arcuatus" = Acodus similaris Rhodes 1955 conodont | |
Pygodus anserinus conodont | |
Coelocerodontus trigonius Ethington 1959 conodont | |
Dapsilodus viruensis conodont |