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''Jangziceras'' is a fossil nautiloid cephalopod from the Middle Silurian of southern China belonging to the Orthocerida incertae sedis, its familial association undetermined. The type is ''Jangziceras sichuanense'' Lai Chai-Geen . Its description falls within the characters of the Orthocerida. ''Jangziceras sichuanense'' was found in the Middle Silurian (Telychian) Lojoping Formation in Szechuan and Kweichow Provinces associated with orthoderids such as ''Sichuanaceras'' and ''Neosichuanoceras'' and oncocerids such as ''Oocerina'' and ''Guangyuanoceras'' among other nautiloid genera in reefal environments ==References== *(Ordovician and Silurian Cephalopdos from Hanzhung and Ningkiang of Shensi ) Lai Chai-Geen *( Biostratigraphy of China ) Wen-tang Zhang, Pei-ji Chen, A. R. Palmer * Sepkoski, J.J. Jr. 2002. A compendium of fossil marine animal genera. D.J. Jablonski & M.L. Foote (eds.). ''Bulletins of American Paleontology'' 363: 1–560. (Sepkoski's Online Genus Database (CEPHALOPODA) ) 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Jangziceras」の詳細全文を読む スポンサード リンク
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