Various early Paleozoic(Cambrian Series 3-Middle Ordovician)reefs are found in the Taebaek Group,eastern Korea,located i......

作者记述了两种深海海绵薄管海绵属一种（Chonelasma sp.）和绢网海绵科一种（Farreidae sp.）,其中薄管海绵属为新记录属。由于采集时海绵......