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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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Zhou, Zhu & Li |
1995 |
Permian Maokouan nearshore sea of South China and its ammonoid fauna. [Zhou Zuren, Zhu De-shou, Li-Fuyu & Hu Yao-hua. In Chinese, with English Summary].
Acta Palaeontologia Sinica, 34 (5): 525-548, 6 fig., 4 pl., Nanjing.
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