Where: Hwanghae-namdo, South Korea (38.3° N, 125.4° E: paleocoordinates 2.0° S, 138.0° E)
• coordinate based on nearby landmark
When: Wan-wan-kou Formation, Cressagian (486.5 - 482.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; lithified, gray dolomite
Size classes: macrofossils, mesofossils
Primary reference: T. Kobayashi. 1933. Faunal study of the Wanwanian (basal Ordovician) series with special notes on the Ribeiridae and the Ellesmereoceroids. Journal of the Faculty of Science Imperial University of Tokyo Section II Geology, Mineralogy, Geography, Seismology 3(7):249-328 [P. Wagner/K. Koverman/K. Koverman]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 39398: authorized by Pete Wagner, entered by Kimberly Koverman on 27.05.2004, edited by Pete Wagner and Björn Kröger
Creative Commons license: CC BY (attribution)
Taxonomic list
| Rhynchonellata | |
| Cephalopoda | |
? Burenoceras reticulatum, Ectenoceras curvatum, Ectenoceras subcurvatum, Ectenoceras ruedemanni, Ellesmeroceras foerstei
Ectenoceras curvatum Kobayashi 1931
Ectenoceras subcurvatum Ulrich et al. 1943
Ectenoceras ruedemanni Kobayashi 1933 | |
| Paragastropoda | |
|
Clisospira niuhsintaiensis Kobayashi 1933 | |
|
Matherella walcotti Kobayashi 1933
Scaevogyra ulrichi Kobayashi 1933
Scaevogyra naticaformis Kobayashi 1933 | |
| Gastropoda | |
"Helicotoma wanwanensis" = Schizopea wanwanensis
"Helicotoma wanwanensis" = Schizopea wanwanensis Kobayashi 1933 snail | |
| Rostroconchia | |
|
Ribeiria manchurica Kobayashi 1933
Ribeiria bassleri Kobayashi 1933 | |
|
Wanwania compressa Kobayashi 1933
Wanwania ambonychiformis Kobayashi 1933 | |
|
Eoischyrinia billingsi Kobayashi 1933
Pseudotechnophorus typicalis Kobayashi 1933 | |
Wanwanella wanwanensis, Wanwanella striata, "Wanwanoidea trigonalis" = Wanwanella trigonalis, "Wanwanella tumida" = Wanwanella trigonalis, Euchasma eopteriformis, "Euchasmella multistriata" = Euchasma multistriata, "Eopteria asiatica" = Eopteria asiatica, "Eopteria obsolata" = Eopteria asiatica, Eopteria flora n. sp., Eopteria alta, Pseudoeuchasma typica
Wanwanella wanwanensis Kobayashi 1933
Wanwanella striata Kobayashi 1933
"Wanwanoidea trigonalis" = Wanwanella trigonalis Kobayashi 1933
"Wanwanella tumida" = Wanwanella trigonalis Kobayashi 1933
Euchasma eopteriformis Kobayashi 1933
"Euchasmella multistriata" = Euchasma multistriata Kobayashi 1933
"Eopteria asiatica" = Eopteria asiatica Kobayashi 1933
"Eopteria obsolata" = Eopteria asiatica Kobayashi 1933
Eopteria flora n. sp. Kobayashi 1933
Eopteria alta Kobayashi 1933
Pseudoeuchasma typica Kobayashi 1933 | |
| Tergomya | |
|
Archinacella wanwanensis Kobayashi 1933 | |
"? Propilina sp." = Proplina, Proplina ampla
"? Propilina sp." = Proplina Kobayashi 1933
Proplina ampla Kobayashi 1933 | |
"Proplina bridgei" = Ellsworthoconus bridgei
"Proplina bridgei" = Ellsworthoconus bridgei Kobayashi 1933 | |
|
Scenella sp. Billings 1872 | |
| Helcionelloida | |
"? Stenotheca manchurica" = Pseudoscenella manchurica
"? Stenotheca manchurica" = Pseudoscenella manchurica Kobayashi 1933 | |
| Trilobita | |
"? Platycolpus granulatus" = Rasettia
"? Platycolpus granulatus" = Rasettia trilobite | |
"Plethopeltis resseri" = Plethopeltella resseri
"Plethopeltis resseri" = Plethopeltella resseri Kobayashi 1933 trilobite | |
|
Plethopeltis orientalis trilobite | |
| Stenopilus convexus | |
"Stenopilus convexus" = Wanwanoglobus convexus
"Stenopilus convexus" = Wanwanoglobus convexus Kobayashi 1933 | |