“AMMONOIDS FROM THE ZHUGANPO MEMBER OF THE FALANG FORMATION AT NIMAIGU AND THEIR RELEVANCE FOR DATING THE XINGYI FOSSIL-LAGERSTÄTTE (LATE LADINIAN, GUIZHOU, CHINA)” (2015) RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA , 121(2). doi:10.13130/2039-4942/6511.