|
|||||
|
|
An Early Ordovician Trilobite assemblage from the Lashkarak Formation, Damghan area, northern Iran |
|
| Authors: | Mansoureh Ghobadi Pour Mahmud Hosseini-Nezhad |
| Institution: | a Department of Geology, Faculty of Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan 49138-157, Iran b UMR 6538, domaines océaniques, université de Bretagne occidentale, département des sciences de la Terre, 6, avenue le Gorgeu, CS 93837, 29238 Brest cedex 3, France c Department of Geology, Damghan University of Sciences, Damghan, Iran |
| Abstract: | A low diversity Lower Ordovician trilobite assemblage is described from the middle part of the Lashkarak Formation at Simeh-Kuh, northwest of Damghan, northern Iran. Co-occurrence with conodonts of the lowermost Paroistodusproteus Biozone suggests an uppermost Tremadocian age. This assemblage includes four taxa, including one new genus and two new species, Damghanampyxginteri nov. gen. nov. sp. and Asaphellusfecundus nov. sp. The third diagnosable species from the formation is Taihungshaniamiqueli (Bergeron, 1894) which has previously been reported from southern France and the Turkish Taurides, suggesting north Gondwanan faunal affinities. |
| Keywords: | Trilobites Lower Ordovician Tremadocian Iran |
| 本文献已被 ScienceDirect 等数据库收录！ | |