Where: Anhui, China (30.3° N, 117.4° E: paleocoordinates 10.3° N, 136.5° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Didymograptellus eobifidus conodont zone, Zitai Formation, Floian (477.7 - 470.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: nodular, argillaceous limestone
Size classes: macrofossils, mesofossils
Primary reference: R. Wu, I. G. Percival, and R. B. Zhan. 2010. Biodiversification of Early to Middle Ordovician conodonts: a case study from the Zitai Formation of Anhui Province, eastern China. Alcheringa 34(1):75-86 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 203690: authorized by Pete Wagner, entered by Pete Wagner on 21.08.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Conodonta | |
Costiconus ethingtoni Fåhræus 1966 conodont
Nasusgnathus dolonus An 1981 conodont | |
Protopanderodus gradatus conodont
Juanognathus variabilis conodont
? Drepanodus antilectus conodont
Drepanodus perlongus conodont | |
Paltodus sp. Pander 1856 conodont
Drepanoistodus forceps Lindström 1955 conodont
Drepanoistodus cf. basiovalis Sregeeva 1963 conodont
Paroistodus parallelus conodont | |
Cornuodus longibasis Lindström 1955 conodont | |
Periodon flabellum conodont | |
Reutterodus andinus conodont | |
Oistodus lanceolatus Pander 1856 conodont | |
"Drepanodus arcuatus" = Acodus similaris, Tripodus laevis
"Drepanodus arcuatus" = Acodus similaris Rhodes 1955 conodont
Tripodus laevis Bradshaw 1969 conodont | |
Oepikodus evae conodont | |
Lundodus gladiatus Lindström 1955 conodont |