NDLI: A new large tetrapodomorph sarcopterygian from the Late Devonian of Iran

Content Provider	Springer Nature Link
Author	Davesne, Donald Mondéjar Fernández, Jorge Hairapetian, Vachik Rücklin, Martin Wendt, Jobst Clément, Gaël
Copyright Year	2015
Abstract	Remains of a large sarcopterygian were collected in the Middle-Late Devonian Zarand Formation of Southeastern Iran. These remains consist of incomplete jaw bones of uncertain identification, preserved in a dense and heterogeneous rock matrix. The use of CT scan microtomography and 3D visualization enabled unraveling their overall anatomy as well as the microstructure of one tooth. This large tooth shows eusthenodont-type plicidentine, found only in Devonian tetrapodomorph sarcopterygians and more specifically suggesting affinities with the family Tristichopteridae. This discovery constitutes the first occurrence of a large tetrapodomorph in the Devonian of Iran and the Middle East.Die Reste eines großen Sarcopterygiers wurden in der mittel- bis oberdevonischen Zarand Formation des südöstlichen Iran gefunden. Diese Reste umfassen fragmentäre Kieferknochen ungewisser Identifikation in einer dichten und heterogenen Gesteinsmatrix. Mithilfe von MikroCT und 3D Visualisierung konnten die allgemeine Anatomie sowie die Mikrostruktur eines Zahnes rekonstruiert werden. Dieser große Zahn zeigt Plicidentin des eusthenodonten Typs, welches nur in devonischen tetrapodomorphen Sarcopterygiern vorkommt und auf eine Affinität zur Familie Tristichopteridae aufweist. Diese Entdeckung stellt das erste Auftreten eines großen Tetrapodomorphen im Devon des Irans und Mittleren Ostens dar.
Starting Page	661
Ending Page	667
Page Count	7
File Format	PDF
ISSN	00310220
Journal	Paläontologische Zeitschrift
Volume Number	89
Issue Number	3
e-ISSN	18676812
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-02-08
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sarcopterygii Tetrapodomorpha Mittlerer Osten Paläozoikum Gondwana Computertomographie Zahnmikrostruktur Tristichopteridae Paleontology
Content Type	Text
Resource Type	Article
Subject	Paleontology

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