This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
T. B. Leonova, 2018 - Revision of the late Paleozoic family Vidrioceratidae Plummer et Scott (Ammonoidea) - Paleontological Journal (52), 234-244 (journal article, English)
Z. R. Zhou, 2017 - Permian basinal ammonoid sequence in Nanpanjiang area of South China - possible overlap between basinal Guadalupian and platform-based Lopingian - Journal of Paleontology (91), 1-95 (serial monograph, English)
M. E. Clapham, 2015 - Personal Opinions - (), - (unpublished, English)
T. B. Leonova, 2010 - Revision of the Permian Ammonoid Family Cyclolobidae - Paleontological Journal (44), 267-274 (journal article, English)
W. M. Furnish, 2009 - - Treatise on Invertebrate Paleontology, Part L, Revised: Mollusca 4, Volume 2: Carboniferous and Permian Ammonoidea (Goniatitida and Prolecanitida) (), 1-258 (book, English)
M. Ehiro, 2008 - Systematic paleontology, in Permian ammonoid Kufengoceras from the uppermost Maokou Formation (earliest Wuchiapingian) at Penglaitan, Laibin Area, Guangxi Autonomous Region, South China - Paleontological Research (12), 255-259 (journal article, English)
Z. R. Zhou, 2007 - Unusually large specimens of the Permian ammonoid Guiyangoceras from Hunan, south China - Paleontological Journal (41), 123-127 (journal article, English)
M. Ehiro, 2006 - A new species of Stacheoceras (Permian ammonoid) from the Upper Permian in the south Kitakami belt, northeast Japan - Paleontological Research (10), 261-264 (journal article, English)
M. Ehiro, 2005 - Middle Permian ammonoids from the Kamiyasse-Imo district in the southern Kitakami Massif, northeast Japan - Paleontological Research (9), 1-14 (journal article, English)
G. V. Kotlyar, 2004 - Late Changhsingian fauna of the northwestern Caucasus Mountains, Russia - Journal of Paleontology (78), 513-527 (journal article, English)
T. B. Leonova, 2002 - Permian ammonoids: classification and phylogeny - Paleontological Journal (36), 1-114 (journal article, English)
J. J. Sepkoski, Jr., 2002 - A compendium of fossil marine animal genera - Bulletins of American Paleontology (363), 1-560 (serial monograph, English)
M. Ehiro, 1997 - Permian cephalopods of Kurosawa, Kesennuma City in the Southern Kitakami Massif, northeast Japan - Paleontological Research (1), 55-66 (journal article, English)
G. R. Shi, 1996 - Lower Permian brachiopods and molluscs from the upper Jungle Creek Formation, northern Yukon Territory, Canada - Geological Survey of Canada Bulletin (424), 1-241 (serial monograph, English)
M. F. Bogoslovskaya, 1995 - The Carboniferous-Permian boundary and ammonoids from the Aidaralash section, southern Urals - Journal of Paleontology (69), 288-301 (journal article, English)
C. Spinosa, 1994 - The Permian ammonoid Demarezites Ruzhencev from the Phosphoria Formation, Idaho - Journal of Paleontology (68), 1036-1040 (journal article, English)
T. B. Leonova, 1992 - Ammonoidea, in Perm' Darvaz-Zaalayskoy zony Pamira: fusulinidy, ammonoidei, stratigrafiya - Rossiyskaya Akademiya Nauk, Trudy Paleontologicheskogo Instituta (253), 110-167 (serial monograph, Russian)
M. F. Bogoslovskaya, 1990 - Osnovnye puti razvitiya i klassifikatsiya pozdnepaleozoyskikh ammonoidei Marathonitaceae i Cyclolobaceae - Iskopaemye Tsefalopodi: Puti Evolyutsii i Sisematikya Otdelnykh Grupp. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta (243), 70-86 (journal article, Russian)
T. B. Leonova, 1989 - Systematic paleontology, in Rannepermskie ammonoidei Yugo-Vostochnogo Pamira - Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta (235), 1-198 (book, Russian)
Y. D. Zakharov, 1989 - Taxonomic names: Cephalopoda - Evolution of the latest Permian biota: Midian regional stage in the USSR (), 126-133 (book/book chapter, Russian)
H. B. Sheng, 1989 - Early Permian ammonoids from the Juripu Formation, Zhongba, Xizang (Tibet) - Geological Review (35), 324-332 (journal article, Chinese)
H. B. Sheng, 1988 - New material of Early Permian ammonoids from Xizang and Qinghai - Professional Papers of Stratigraphy and Palaeontology (20), 76-84 (journal article, Chinese)
P. X. Guo, 1988 - Late Permian ammonoids from lower Yangtze area and their palaeoecological significance - Acta Palaeontologica Sinica (27), 390-397 (journal article, Chinese)
Z. Vasicek, 1988 - Eine ammonoideen-fauna vom Sosio-typ (Guadalupian, Ober-Perm) aus Kurdistan (Irak) - Palaeontographica Abteilung A (204), 95-115 (journal article, German)
B. F. Glenister, 1987 - New Permian representatives of ammonoid superfamilies Marathonitaceae and Cyclolobaceae - Journal of Paleontology (61), 982-998 (journal article, English)
M. Ehiro, 1986 - Some Permian Cyclobaceae from the Southern Kitakami Massif, Northeast Japan - Transactions and Proceedings of the Paleontological Society of Japan, N.S. (142), 499-408 (journal article, English)
Y. Bando, 1985 - Systematic description, in Late Permian ammonoids from the southern Kitakami Massif, northeast Japan - Transactions and Proceedings of the Paleontological Society of Japan, N.S. (137), 25-49 (journal article, English)
Z. Zhou, 1985 - Several problems on the Early Permian ammonoids from South China - Palaeontologia Cathayana (2), 179-209 (journal article, English)
V. N. Andrianov, 1985 - - Permskie I Nekotorye Kamennougol'nye Ammonoidei Severo-vostoka Azii (), 1-180 (book/book chapter, Russian)
Z. G. Zheng, 1984 - Some Permian ammonoids from Hunan and northern Guangdong - Acta Palaeontologica Sinica (23), 185-195 (journal article, Chinese)
H. B. Sheng, 1984 - Late Lower Permian ammonoids from Xiukang Formation, Lhaze district, Xizang (Tibet) - Himalaya Geology (2), 219-243 (journal article, Chinese)
Y. D. Zakharov, 1983 - New Permian cyclolobids (Goniatitida) from the south of the USSR - Paleontological Journal (17), 130-135 (journal article, English)
X. L. Liang, 1983 - New material of Permian ammonoids with discussion on the origin, migration of Araxoceratidae and the horizon of the Paratirolites - Acta Palaeontologica Sinica (22), 606-615 (journal article, Chinese)
X. L. Liang, 1982 - Some Early Permian ammonoids from Jilin and Nei Monggol - Acta Palaeontologica Sinica (21), 645-657 (journal article, Chinese)
X. L. Liang, 1981 - Early Permian cephalopods from northwestern Gansu and western Nei Mongol - Acta Palaeontologica Sinica (20), 485-500 (journal article, English)
J. K. Zhao, 1980 - Origin, classification, evolution and distribution of the family Cyclolobidae - Acta Palaeontologica Sinica (19), 79-90 (journal article, Chinese)
Z.R. Zhou, 1979 - Distribution of the Early Permian Pseudohalorites fauna (Cephalopoda) in Hunan with notes on some new genera - Acta Palaeontologica Sinica (18), 383-394 (journal article, Chinese)
Z. G. Zheng, 1979 - Cephalopod taxonomic names - Paleontological Atlas of Northwest China, Qinghai Volume (1), 3-59 (book/book chapter, Chinese)
J. K. Zhao, 1978 - Late Permian cephalopods of south China - Palaeontologica Sinica, New Series B (154), 1-194 (book/book chapter, Chinese)
M. F. Bogoslovskaya, 1978 - Systematics and phylogeny of the families Marathonitidae and Vidrioceratidae (Ammonoidea) - Paleontological Journal (12), 50-63 (journal article, English)
G. H. Xu, 1977 - Cephalopoda - Palaeontological Atlas of South-Central China (2), 537-582 (book/book chapter, Chinese)
W.W. Nassichuk, 1977 - Upper Permian ammonoids from the Cache Creek Group in western Canada - Journal of Paleontology (51), 557-590 (journal article, English)
J. K. Zhao, 1977 - The Permian ammonoids from Zhejiang and Jiangxi - Acta Palaeontologica Sinica (16), 217-252 (journal article, Chinese)
V. E. Ruzhentsev, 1976 - Late Permian ammonoids from the Soviet far east - Paleontological Journal (10), 277-290 (journal article, English)
W. M. Furnish, 1970 - Permian ammonoid Cyclolobus from the Salt Range, West Pakistan - Stratigraphic Boundary Problems: Permian and Triassic of West Pakistan, Department of Geology, University of Kansas Special Publication (4), 153-175 (journal article, English)
W. W. Nassichuk, 1965 - The Permian ammonoids of Arctic Canada - Geological Survey of Canada Bulletin (131), 1-56 (serial monograph, English)
A. K. Miller, 1957 - Permian ammonoids from western United States - Journal of Paleontology (31), 1057-1068 (journal article, English)
A. K. Miller, 1957 - Ammonoids of the basal Word Formation, Glass Mountains, west Texas - Journal of Paleontology (31), 1052-1056 (journal article, English)
V. E. Ruzhentsev, 1956 - Nizhnepermskie ammonity yuzhnogo Urala II. Ammonity Artinskogo yarusa - Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta (60), 1-271 (serial monograph, English)
J. K. Zhao, 1955 - Some Permian ammonoids from Kwangsi and their significance - Acta Palaeontologica Sinica (3), 135-158 (journal article, Chinese)
V. E. Ruzhentsev, 1950 - Verkhnekammenouglo'nye Ammonity Urala - Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta (29), 1-223 (serial monograph, Russian)
A. K. Miller, 1945 - Some exceptional Permian ammonoids from west Texas - Journal of Paleontology (19), 14-21 (journal article, English)
A. K. Miller, 1944 - Permian cephalopods, Part IV of Geology and paleontology of the Permian area northwest of Las Delicias, southeastern Coahulia, Mexico - Geological Society of America Special Paper (52), 71-127 (serial monograph, English)
A. K. Miller, 1940 - Permian ammonoids of the Guadalupe Mountain region and adjacent area - Geological Society of America Special Paper (26), 1-242 (serial monograph, English)
F. B. Plummer, 1937 - Upper Paleozoic ammonites in Texas - The University of Texas Bulletin (3701), 1-516 (journal article, English)
A. K. Miller, 1934 - The cephalopods of the Phosphoria Formation of northwestern United States - Journal of Paleontology (8), 281-302 (journal article, English)
A. de Gregorio, 1930 - Sul Permiano di Sicilia (fossili del calcare con Fusulina di Palazzo Adriano non descritti dal Prof. G. Gemmellaro conservati nel mio privato gabinetto) - Annales de Géologie et de Paléontologie (52), 1-67 (serial monograph, Italian)
E. Böse, 1919 - The Permo-Carboniferous ammonoids of the Glass Mountains, west Texas, and their stratigraphic significance - Texas Bureau of Economic Geology Bulletin (1762), 1-241 (serial monograph, English)
A. A. Stoyanow, 1910 - On the character of the boundary of Palaeozoic and Mesozoic near Djulfa - Zapiski Imperatorskago St. Peterburgskago Mineralogicheskago Obshchestva, Vtoraya Seriya (47), 61-135 (journal article, English)
G. H. Girty, 1909 - The Guadalupian fauna - United States Geological Survey Professional Paper (58), 1-651 (serial monograph, English)
C. Diener, 1903 - Permian fossils of the Central Himalayas - Palaeontologia Indica, Series 15 (1), 1-204 (journal article, English)
C. Diener, 1897 - The Permocarboniferous fauna of Chitichun No. 1 - Palaeontologia Indica, Series 15 (1), 1-105 (serial monograph, English)
A. Rothpletz, 1892 - Die Perm-, Trias- und Jura-Formation auf Timor und Rotti im Indischen Archipel - Palaeontographica (39), 57-106 (journal article, German)
G. G. Gemmellaro, 1888 - La Fauna dei Calcari Con Fusulina della Valle del Fiume Sosio nella Provincia di Palermo, Appendice - Giornale di Scienze Naturali e Economiche (20), 1-26 (journal article, Italian)
G. G. Gemmellaro, 1887 - La Fauna dei Calcari con Fusulina della Valle del Fiume Sosio nella Provincia di Palermo, Fasc. 1 - Ammonoidea - Giornale di Scienze Naturali e Economiche (19), 1-106 (book/book chapter, Italian)
W. H. Waagen, 1879 - Productus Limestone Fossils, Part I - Salt Range Fossils, Palaeontologia Indica, Series 13 (1), 1-72 (serial monograph, English)
W. Waagen, 1872 - On the occurrence of Ammonites, associated with Ceratites, and Goniatites in the Carboniferous deposits of the Salt Range - Memoirs of the Geological Survey of India (9), 351-358 (journal article, English)