Middle and Late Jurassic Radiolarians from Nadanhada Terrane of Eastern Heilongjiang Province, Northeastern China

The Nadanhada terrane of northeastern Heilongjiang, northeastern China is composed of Jurassic accretionary complexes (i.e., the Yuejinshan Complex in the west, the Raohe Complex in the east) and succedent cover beds. In this paper we report two radiolarian assemblages recognized from four black claystone samples collected from the Dalingqiao Formation in the Dajiashan area of the Raohe Complex. The Striatojaponocapsa synconexa-“Tricolocapsa”...