Permian library
America
Alani-Pavon et al. 2025 - Permian ammonoids from the Guadalupian (Wordian–Capitanian) of Las Delicias, Coahuila state, Mexico new biostratigraphical and paleobiogeographical insight
Davis 1972 - Mature modification and dimorphism in selected Late Paleozoic Ammonoids
Miller and Furnish 1940 - Permian Ammonoids of the Guadalupe Mountain Region and Adjacent Areas
Miller and Youngquist 1947 - Lower Permian Cephalopods from the Texas Colorado river valley
Miller and Youngquist 1949 - American Permian Nautiloids
Nassichuk, Furnish and Glenister 1965 -The Permian ammonoids of arctic Canada
Spencer et al. 2014 - Nautiloids from the Early Permian Yeso Group, Otero County, New Mexico
Asia
Huang Zhanxing and Li Xiaoquan 1990 - New progress in the study on Permian Ammonoid biostratigraphy in Guangxi
Lilang Xiluo 1981 - Early Permian cephalopods from northwestern Gansu and western inner Mongolia
Mu Lin 2011 - Ammonoid faunas around the early and middle Permian boundary in China and their biostratigraphic implications
Pan Yuntang 1983 - A new genus of coiled Nautiloid fossil from lower Permian Qixia formation of Sichuan province
Shan Xiulan [?] - Permian cephalopod fossils in northern and eastern Guangdong and their significance for stratigraphic division
Shan Xiulan 1987 - A new species of ammonite from Tonglu. Paratongluceras gaoyaoense sp. nov.
Sheng Huaibin and Liu Shikun [?] - An early Permian ammonite fauna in the Jiajia region of Tibet
Sheng Huaibin [?] - Early Permian Ammonites facies strata in the Yarlung Tsangpo river region, Tibet
Sheng Huaibin 1988 - New material of early Permian Ammonoids from Xizang and Qinghai
Sheng Huaibin 1989 - Early Permian Ammonites from the Juripu formation, Zhongba, Tibet
Sheng Huaibin 1995 - An early Permian ammonite fauna in Yangchun area, Guangdong
Xi Yuhua [?] - Molluscas fossils from the early Permian Gufeng formation in Guichi Anhui province
Zhao Jinke and Zheng Zhuoguan 1977 - Late Early Permian Ammonites in western Zhejiang and northeastern Jiangxi
Zhao Jinke 1954 - Permian Cephalopod fossils from Tanjiashan, Hunan
Zhao Jinke 1966 - Permian ammonites layers in southern China
Zhao Jinke 1980 - Origin, classification, evolution and distribution of the family Cyclolobidae
Zheng Zhuoguan 1982 - Late Permian early Ammonites from Yichun, Jiangxi
Zhou Zuren 1979 - Distribution of the early Permian Pseudohalorites ammonite group in Hunan and description of several new genera and species
Zhou Zuren 1987 - First discovery of Asselian ammonoid fauna in China
Zhou Zuren 1988 - Early Permian Artinskian ammonites and biostratigraphy in south China
Zhu Guangming and Sheng Huaibin 1988 - Early Permian Ammonites from Honggeermiao, Abaga, Banner, Inner Mongolia
Miscellaneous
Ruzhencev 1960 - Principles of systematics, systems and phylogeny of Paleozoic Ammonoids