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.
X. Dai, 2018 - A new Griesbachian–Dienerian (Induan, Early Triassic) ammonoid fauna from Gujiao, South China - Journal of Paleontology (93), 48-71 (journal article, English)
M. Đaković, 2017 - New Early Triassic (Smithian) ammonoids from Gornji Brčeli (southern Montenegro) - Austrian Journal of Earth Sciences (110), - (journal article, English)
O. P. Smyshlyaeva, 2015 - New Lower Triassic ammonoids from South Primorye - Paleontological Journal (49), 111-120 (journal article, English)
A. Brayard, 2013 - Systematic paleontology, in Smithian ammonoid faunas from Utah: implications for Early Triassic biostratigraphy, correlation and basinal paleogeography - Swiss Journal of Palaeontology (132), - (journal article, English)
T. Brühwiler, 2012 - Systematic palaeontology, in Smithian (Early Triassic) ammonoids from the Salt Range, Pakistan - Special Papers in Palaeontology (88), 22-114 (journal article, English)
D. Ware, 2011 - Dienerian (Early Triassic) ammonoids from the Candelaria Hills (Nevada, USA) and their significance for palaeobiogeography and palaeoceanography - Swiss Journal of Geosciences (104), 161-181 (journal article, English)
T. Brühwiler, 2010 - New Early Triassic ammonoid faunas from the Dienerian/Smithian boundary beds at the Induan/Olenekian GSSP candidate at Mud (Spiti, Northern India) - Journal of Asian Earth Sciences (39), 724-739 (journal article, English)
T. Brühwiler, 2008 - Griesbachian and Dienerian (Early Triassic) ammonoid faunas from northwestern Guangxi and southern Guizhou (south China) - Palaeontology (51), 1151-1180 (journal article, English)
Y. D. Zakharov, 2007 - Systematic paleontology, in Early Induan (late Griesbachian) Cephalopods from the Daye Formation at Guiding, Guizhou Province, South China - Journal of Paleontology (81), 858-872 (journal article, English)
E. T. Tozer, 1994 - Canadian Triassic Ammonoid Faunas - Geological Survey of Canada Bulletin (467), 1-663 (serial monograph, )
G. H. Xu, 1988 - Early Triassic cephalopods from Lichuan, western Hubei - Acta Palaeontologica Sinica (27), 437-456 (journal article, Chinese)
Y. G. Wang, 1979 - Cephalopoda taxonomic names - Paleontological Atlas of Northwest China, Qinghai Volume (1), 3-59 (book/book chapter, Chinese)
Y. D. Zakharov, 1978 - - Rannetriasovye ammonoidei vostoka SSSR (), 1-224 (book/book chapter, Russian)
K. K. Chao, 1959 - Lower Triassic Ammonoids from Western Kwangsi, China - Palaeontologica Sinica. New Series (9), 1-33 (serial monograph, English)
L. F. Spath, 1935 - Additions to the Eo-Triassic invertebrate fauna of east Greenland - Meddelelser om Grønland (98), 1-115 (journal article, English)
C. Diener, 1897 - The Cephalopoda of the Lower Trias - Palaeontologia Indica (15), 1-581 (serial monograph, English)
W. Waagen, 1895 - Fossils from the Ceratite Formation - Salt Range Fossils, Palaeontologia Indica, Series 13 (2), 1-323 (serial monograph, English)