A new Ordovician nautiloid genus (Variabioceras) in the Xainza area, northern Tibet
journal contribution
posted on 2005-01-01, 00:00authored byL Cheng, Y Zhang, Yichun Zhang
The specimens described in the paper are part of the collection of nautiloid fossils from Zhakang east of the Taerma Bridge, Xainza County, Tibet. Three genera and six species are described, including one new genus Variabioceras gen. nov. and its three new species V. typicum gen. et sp. nov., V. zangbeiense gen. et sp. nov. and V. robustum gen. et sp. nov.