| |
Authors |
Year |
Title |
|
Bogoslovskaya, Ustritskii & Cherniak |
1982 |
Permiskie ammonoidei Novoi Zemli.
Paleontologicheskii Zhurnal, 1982 (4): 58-67, 3 figs., pl.7.
|
|
|
Liang |
1982 |
Some Early Permian ammonoids from Jilin and Nei Monggol.
Acta Paleontologica Sinica, 21 (6): 645-658, fig.1-12, pl.1-3; Beijing.
|
|
|
Nassichuk |
1969 |
Permian ammonoids from the Belloy Formation, northeastern British Columbia.
Geological Survey of Canada, Bulletin 182:113-122, figs.11-14, pl.13, Ottawa.
|
|
|
Sheng |
1988c |
New material of Early Permian ammonoids from Xizang and Qinghai.
Professional Papers of Stratigraphy and Palaeontology, 20: 76-84, fig.1-5, pl.1; Beijing.
|