Leymeriellidae (Cretaceous ammonites) from the lower Albian of Esfahan and Khur (Central Iran)

被引：8

作者：

Seyed-Emami, Kazem ^{[1
]}

Wilmsen, Markus ^{[2
]}

机构：

[1] Univ Tehran, Univ Coll Engn, Sch Min Engn, POB 11365-4563, Tehran, Iran

[2] Museum Mineral & Geol, Senckenberg Nat Hist Sammlungen Dresden, Sekt Palaozool, Landstr 159, D-01109 Dresden, Germany

来源：

CRETACEOUS RESEARCH | 2016年 / 60卷

关键词：

Cretaceous; Lower Albian; Iran; Ammonites; Leymeriellidae; Biostratigraphy; BOUNDARY STRATOTYPE SECTION; SOUTH CASPIAN BASIN; KOPET DAGH BASIN; NORTHERN IRAN; KOPPEH-DAGH; NE IRAN; INTEGRATED STRATIGRAPHY; APTIAN/ALBIAN BOUNDARY; ALBORZ MOUNTAINS; PRE-GUITTARD;

D O I：

10.1016/j.cretres.2015.11.002

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Leymeriellid ammonite faunas are described from northeast of Esfahan and the Khur area (Central Iran). The faunas comprise Leymeriella (L.) tardefurcata, L (L.) germanica and L. (L.) acuticostata? as well as L. (Neoleymeriella) regularis, L. (N.) diabola and L. (Neoleymeriella) pseudoregularis?. The leymeriellids of Iran are closely related to faunas from northwest Europe, the Vocontian Basin and Transcaspia (Mangyschlak) and thus allow for biostratigraphic correlations, indicating the earliest Albian Leymeriella tardefurcata Zone with its superimposed L acuticostata and L. regularis subzones. We suggest that the sudden appearance of common representatives of the genus Leymeriella in the northern and Central Iranian basins (Leymeriella acme) can be used as a useful proxy marker to define the base of the Albian Stage in Iran. (c) 2015 Elsevier Ltd. All rights reserved.

引用

页码：78 / 90

页数：13

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