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M. E. Clapham, 2015 - Personal Opinions - (), - (unpublished, English)
M. Ehiro, 2014 - Early Permian (Asselian) ammonoids from the Taishaku Limestone, Akiyoshi Belt, southwest Japan - Paleontological Research (18), 51-63 (journal article, English)
T. B. Leonova, 2010 - Revision of the Permian Ammonoid Family Cyclolobidae - Paleontological Journal (44), 267-274 (journal article, English)
D. M. Work, 2009 - New occurrences of the Pennsylvanian index ammonoid Dunbarites from the North American Midcontinent - Journal of Paleontology (83), 405-413 (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)
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)
T. B. Leonova, 2000 - New data on the taxonomy and distribution of the Early Permian genus Cardiella (Ammonoidea) - Paleontological Journal (34), 258-262 (journal article, 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)
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)
Z. R. Zhou, 1987 - First discovery of Asselian ammonoid fauna in China - Acta Palaeontologica Sinica (26), 130-148 (journal article, Chinese)
B. F. Glenister, 1987 - New Permian representatives of ammonoid superfamilies Marathonitaceae and Cyclolobaceae - Journal of Paleontology (61), 982-998 (journal article, English)
T. B. Leonova, 1982 - Early Permian marathonitids (Ammonoidea) in the Pamir region - Paleontological Journal (16), 22-31 (journal article, English)
X. L. Liang, 1981 - Early Permian cephalopods from northwestern Gansu and western Nei Mongol - Acta Palaeontologica Sinica (20), 485-500 (journal article, English)
T. B. Leonova, 1981 - Early Permian ammonoids of the genus Cardiella in the Pamir Range - Paleontological Journal (15), 23-35 (journal article, English)
M. F. Bogoslovskaya, 1978 - Systematics and phylogeny of the families Marathonitidae and Vidrioceratidae (Ammonoidea) - Paleontological Journal (12), 50-63 (journal article, English)
J. K. Zhao, 1978 - Late Permian cephalopods of south China - Palaeontologica Sinica, New Series B (154), 1-194 (book/book chapter, Chinese)
G. H. Xu, 1977 - Cephalopoda - Palaeontological Atlas of South-Central China (2), 537-582 (book/book chapter, Chinese)
V. E. Ruzhentsev, 1956 - Nizhnepermskie ammonity yuzhnogo Urala II. Ammonity Artinskogo yarusa - Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta (60), 1-271 (serial monograph, English)
V. E. Ruzhentsev, 1950 - Verkhnekammenouglo'nye Ammonity Urala - Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta (29), 1-223 (serial monograph, Russian)
A. K. Miller, 1948 - A Lower Permian ammonoid fauna from New Mexico - Journal of Paleontology (22), 350-358 (journal article, English)
A. K. Miller, 1941 - Part 2, ammonoids, in The Middle Permian of Chiapas, southernmost Mexico, and its fauna - American Journal of Science (239), 397-406 (journal article, 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)
O.G. Toumansky, 1931 - Cephalopoda, Ammonoidea - The Permo-Carboniferous Beds of the Crimea (1), 1-117 (serial monograph, English)
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)
J. P. Smith, 1903 - The Carboniferous ammonoids of America - Monographs of the United States Geological Survey (52), 1-211 (serial monograph, English)
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)