Huangnitang section. CH9 (Ordovician of China)

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

• 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
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus sp. Lindstrom 1971 conodont
Drepanoistodus ? suberectus Branson and Mehl 1933 conodont
Venoistodus balticus Löfgren 2006 conodont
 Protopanderodontida - Protopanderodontidae
 Ozarkodinida -
Periodon aculeatus Hadding 1913 conodont
 Prioniodontida - Chirognathidae
 Prioniodontida - Balognathidae
Complexodus sp. Dzik 1976 conodont
 Prioniodontida - Acodontidae
"Drepanodus cf. arcuatus" = Acodus similaris
"Drepanodus cf. arcuatus" = Acodus similaris Rhodes 1955 conodont
 Prioniodontida - Pygodontidae
 Belodellida - Belodellidae
Coelocerodontus trigonius Ethington 1959 conodont
 Belodellida - Dapsilodontidae