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
| Paragastropoda | |
|
Clisospira niuhsintaiensis Kobayashi 1933 | |
|
Scaevogyra naticaformis Kobayashi 1933
Scaevogyra ulrichi Kobayashi 1933
Matherella walcotti Kobayashi 1933 | |
| Rostroconchia | |
Wanwanella wanwanensis, "Wanwanoidea trigonalis" = Wanwanella trigonalis, "Wanwanella tumida" = Wanwanella trigonalis, Wanwanella striata, "Euchasmella multistriata" = Euchasma multistriata, Euchasma eopteriformis, Eopteria alta, Eopteria flora n. sp., "Eopteria asiatica" = Eopteria asiatica, "Eopteria obsolata" = Eopteria asiatica, Pseudoeuchasma typica
Wanwanella wanwanensis Kobayashi 1933
"Wanwanoidea trigonalis" = Wanwanella trigonalis Kobayashi 1933
"Wanwanella tumida" = Wanwanella trigonalis Kobayashi 1933
Wanwanella striata Kobayashi 1933
"Euchasmella multistriata" = Euchasma multistriata Kobayashi 1933
Euchasma eopteriformis Kobayashi 1933
Eopteria alta Kobayashi 1933
Eopteria flora n. sp. Kobayashi 1933
"Eopteria asiatica" = Eopteria asiatica Kobayashi 1933
"Eopteria obsolata" = Eopteria asiatica Kobayashi 1933
Pseudoeuchasma typica Kobayashi 1933 | |
|
Ribeiria bassleri Kobayashi 1933
Ribeiria manchurica Kobayashi 1933 | |
|
Eoischyrinia billingsi Kobayashi 1933
Pseudotechnophorus typicalis Kobayashi 1933 | |
|
Wanwania compressa Kobayashi 1933
Wanwania ambonychiformis Kobayashi 1933 | |
| Gastropoda | |
"Helicotoma wanwanensis" = Schizopea wanwanensis
"Helicotoma wanwanensis" = Schizopea wanwanensis Kobayashi 1933 snail | |
| Tergomya | |
"? 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 | |
|
Archinacella wanwanensis Kobayashi 1933 | |
| Helcionelloida | |
"? Stenotheca manchurica" = Pseudoscenella manchurica
"? Stenotheca manchurica" = Pseudoscenella manchurica Kobayashi 1933 | |
| Cephalopoda | |
Ectenoceras subcurvatum, Ectenoceras curvatum, Ectenoceras ruedemanni, Ellesmeroceras foerstei, ? Burenoceras reticulatum
Ectenoceras subcurvatum Ulrich et al. 1943
Ectenoceras curvatum Kobayashi 1931
Ectenoceras ruedemanni Kobayashi 1933 | |
| Rhynchonellata | |
| Trilobita | |
|
Plethopeltis orientalis trilobite | |
"? Platycolpus granulatus" = Rasettia
"? Platycolpus granulatus" = Rasettia trilobite | |
"Plethopeltis resseri" = Plethopeltella resseri
"Plethopeltis resseri" = Plethopeltella resseri Kobayashi 1933 trilobite | |
| Stenopilus convexus | |
"Stenopilus convexus" = Wanwanoglobus convexus
"Stenopilus convexus" = Wanwanoglobus convexus Kobayashi 1933 | |