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Omanichnus and Vitichnus : two new graphoglyptid Ichnogenera from Upper Triassic deep-sea fan deposits in Oman

Wetzel, Andreas and Uchman, Alfred and Blechschmidt, Ingo and Matter, Albert. (2009) Omanichnus and Vitichnus : two new graphoglyptid Ichnogenera from Upper Triassic deep-sea fan deposits in Oman. Ichnos, Vol. 16, H. 3. pp. 179-185.

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Official URL: http://edoc.unibas.ch/dok/A5250332

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Abstract

Two new graphoglyptid ichnogenera were found in the Upper Triassic turbiditic deep-sea fan deposits in Oman. Omanichnus virgatus igen. nov. et isp. nov. represents a burrow having a central axis from which branches deviate alternating to each side, the axis being at the same level of branching or very close to it. Vitichnus nizwaensis igen. nov. et isp. nov. represents a V-shaped structure composed of narrow-spaced, biserially arranged tubes alternating to each other side forming a plait-like pattern. Behaviorally it contains elements of Saerichnites beskidensis (formerly Hormosiroidea beskidensis) such as the plait-like arranged elements, that is, narrow-spaced, biserially arranged tubes directed alternating to each other side, but differs in the overall V-shape. These new trace fossils represent some of the earliest uniramous graphoglyptids in deep-marine deposits, which became diverse since the Late Cretaceous.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Ehemalige Einheiten Umweltwissenschaften > Sedimentology (Wetzel)
UniBasel Contributors:Wetzel, Andreas
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Taylor & Francis
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:30
Deposited On:22 Mar 2012 14:14

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