|
Liang & Wang |
1991 |
Carboniferous cephalopods of Xinjiang.
Paleontologica Sinica, n.ser.B, 180: 1-171, fig.1-104, pl.1-40; Nanjing.
|
|
|
Ruan |
1981b |
Carboniferous Ammonoid faunas from Qixu in Nandan of Guangxi.
Mem. Nanjing Inst. Geol. Palaeont., Acad. Sinica, 15: 153-232, fig.1-89, pl.1-15; Nanjing.
|