A New Iguanodontian Dinosaur from the Lower Cretaceous Khok Kruat Formation, Nakhon Ratchasima in Northeastern Thailand
Identifieur interne : 004A20 ( Main/Exploration ); précédent : 004A19; suivant : 004A21A New Iguanodontian Dinosaur from the Lower Cretaceous Khok Kruat Formation, Nakhon Ratchasima in Northeastern Thailand
Auteurs : Masateru Shibata [Japon] ; Pratueng Jintasakul [Thaïlande] ; Yoichi Azuma [Japon]Source :
- Acta Geologica Sinica ‐ English Edition [ 1000-9515 ] ; 2011-10.
English descriptors
- KwdEn :
- Teeft :
Abstract
Here we report a new iguanodontian dentary found from the Lower Cretaceous Khok Kruat Formation, Nakhon Ratchasima, northeast Thailand. A unique character, which is an elongated and flat shape of the dentary ramus, makes it possible to assign the specimen to the new genus of non‐hadrosaurid iguanodontian, Ratchasimasaurus suranareae gen. et sp. nov. R. suranareae shows both primitive and derived characters, such as a caudally inclined coronoid process and alveolar trough with a primitive crown impression, and a derived buccal shelf between tooth row and coronoid process. The discovery of a new iguanodontian from the Indochina Terrene, considering that the previously reported “Probactrosaurus‐like” iguanodontian, points out a great diversity of this group in the late Early Cretaceous in Thailand, and corresponds to the Asian iguanodontian diversity at that time.
Url:
DOI: 10.1111/j.1755-6724.2011.00530.x
Affiliations:
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- to stream Istex, to step Curation: 005284
- to stream Istex, to step Checkpoint: 001966
- to stream Main, to step Merge: 004A50
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Le document en format XML
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A unique character, which is an elongated and flat shape of the dentary ramus, makes it possible to assign the specimen to the new genus of non‐hadrosaurid iguanodontian, Ratchasimasaurus suranareae gen. et sp. nov. R. suranareae shows both primitive and derived characters, such as a caudally inclined coronoid process and alveolar trough with a primitive crown impression, and a derived buccal shelf between tooth row and coronoid process. The discovery of a new iguanodontian from the Indochina Terrene, considering that the previously reported “Probactrosaurus‐like” iguanodontian, points out a great diversity of this group in the late Early Cretaceous in Thailand, and corresponds to the Asian iguanodontian diversity at that time.</div></front></TEI><affiliations><list><country><li>Japon</li><li>Thaïlande</li></country></list><tree><country name="Japon"><noRegion><name sortKey="Shibata, Masateru" sort="Shibata, Masateru" uniqKey="Shibata M" first="Masateru" last="Shibata">Masateru Shibata</name></noRegion><name sortKey="Azuma, Yoichi" sort="Azuma, Yoichi" uniqKey="Azuma Y" first="Yoichi" last="Azuma">Yoichi Azuma</name><name sortKey="Shibata, Masateru" sort="Shibata, Masateru" uniqKey="Shibata M" first="Masateru" last="Shibata">Masateru Shibata</name></country><country name="Thaïlande"><noRegion><name sortKey="Jintasakul, Pratueng" sort="Jintasakul, Pratueng" uniqKey="Jintasakul P" first="Pratueng" last="Jintasakul">Pratueng Jintasakul</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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