Bedded cherts collected from northern Thailand,including Chiang Dao,Lamphun and Den Chai containMiddle Triassic radiolarian faunas.The faunas fromChiang Dao can be divided into two assemblages.Thefirst assemblage includes Eptingium and otherco-occurring species such as Cryptostephanidiumcornigerum Dumitric,Plafkerium antiquum Sugi-yama,Pseudostylosphaera compacta(Nakaseko andNishimura),P.longispinosa Kozur and Mostler,P.acrior(Bragin),P.japonica(Nakaseko and Nishi-mura),Parasepsag......(论文页数是:2页) ,泰语论文,泰语论文 |