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Teichert, Kummel & Sweet |
1973 |
Permian-Triassic strata, Kuh-e-Ali Bashi, Northwestern Iran.
Bulletin of the Museum of Comparative Zoology, Harvard University, 145 (8): 359-472, 14 pls., 16 figs., Cambridge, MA.
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Wang |
1990 |
Late permian and Early Triassic ammonoid fauna from Fenghai, Yong'an, Fujian and their stratigraphic significance.
Acta Paleontologica Sinica, 29 (6): 755-773, fig.1-7, pl.1-4; Beijing.
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Zhao, Liang & Zheng |
1978 |
Late Permian cephalopods of South China.
Palaeontologica Sinica, 154, N.S.B,12: 1-194, fig.1-105, pl.1-34; Beijing.
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