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New Evidence for a Cretaceous Age for a Mesozoic Nonmarine Bivalve Assemblage from Paekto-dong, Sinuiju City, The Democratic People’s Republic of Korea
投稿时间:2018-08-01  修订日期:2018-12-20  点此下载全文
引用本文:CholGuk WON,KwangSik SO,SuHyang JON.2019.New Evidence for a Cretaceous Age for a Mesozoic Nonmarine Bivalve Assemblage from Paekto-dong, Sinuiju City, The Democratic People’s Republic of Korea[J].ACTA GEOLOGICA SINICA(English edition),93(6):1607~1613
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DOI:10.1111/1755-6724.14378
作者单位E-mail
CholGuk WON Department of Paleontology, Faculty of Geology, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea  
KwangSik SO Department of Paleontology, Faculty of Geology, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea ks.so@ryongnamsan.edu.kp 
SuHyang JON Department of Paleontology, Faculty of Geology, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea  
 
Author NameAffiliationE-mail
CholGuk WON Department of Paleontology, Faculty of Geology, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea  
KwangSik SO Department of Paleontology, Faculty of Geology, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea ks.so@ryongnamsan.edu.kp 
SuHyang JON Department of Paleontology, Faculty of Geology, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea  
Abstract:The Sinuiju Formation in Paekto-dong, Sinuiju City in the Democratic People’s Republic of Korea has yielded Mesozoic nonmarine bivalve fossils, which is the first occurrence of such in the DPRK. Based on these fossil specimens, a new Cretaceous bivalve assemblage, the Arguniella yanshanensis-Sphaerium anderssoni Assemblage is erected. This assemblage includes Arguniella yanshanensis, A. lingyuanensis and Sphaerium anderssoni and can be compared with the Jehol Biota. The age of the Sinuiju Formation is also clarified and on the basis of the bivalves and the presence of a Eosestheria–Ephemeropsis–Lycoptera (E–E–L) assemblage, the formation is not Upper Jurassic, but Lower Cretaceous in age.
keywords:biostratigraphy, nonmarine bivalves, Sinuiju Formation, Early Cretaceous, DPRK
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