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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-49795

Brühwiler, T; Bucher, H; Roohi, G; Yaseen, A; Rehman, K (2011). A new early Smithian ammonoid fauna from the Salt Range (Pakistan). Swiss journal of palaeontology, 130:187-201.

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Abstract

Recent extensive investigations in the Salt Range (Pakistan) yielded abundant, well-preserved ammonoid faunas of earliest to latest Smithian age that provided the basis for a major revision of Smithian ammonoid taxonomy and for the establishment of a high-resolution biostratigraphic sequence. Here, an additional new ammonoid fauna of typical early Smithian affinity from the uppermost part of the Ceratite Sandstone of the Nammal Gorge section is described. The new fauna, termed Euflemingites cirratus beds, is bracketed between the underlying early Smithian 1CFlemingites flemingianus beds 1D, here renamed Clypeoceras superbum beds, and the overlying middle Smithian Brayardites compressus beds. Comparison with a recently published high-resolution biochronological scheme for the Smithian of the NIM (northern Indian Margin) based on the Salt Range, Spiti (Himachal Pradesh, northern India) and Tulong (South Tibet) basins shows that the Euflemigites cirratus fauna correlates with the Dieneroceras beds from Spiti based on the common occurrence of the ammonoid species Kraffticeras pseudoplanulatum. The trans-panthalassic biogeographical distribution of Euflemingites cirratus allows correlating the new ammonoid fauna with part of the Meekoceras gracilitatis ammonoid zone of western USA. Three new species (Kashmirites weisserti, Arctoceras schalteggeri and Vercherites wyleri) are described.

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Paleontological Institute and Museum
DDC:560 Fossils & prehistoric life
Uncontrolled Keywords:Ammonoidea � Early Triassic � Smithian � Salt Range � Pakistan � Biostratigraphy
Language:English
Date:2011
Deposited On:27 Sep 2011 09:59
Last Modified:23 Nov 2012 17:18
Publisher:Birhäuser
ISSN:1664-2376
Publisher DOI:10.1007/s13358-011-0018-3
Citations:Google Scholar™

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