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<mods:namePart>Nonsrirach, Thanit</mods:namePart>
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<taxonomicName LSID="8DD77FC1-42E2-565E-9261-BF3E51DABEB6" authority="Shibata et al., 2015" authorityName="Shibata et al." authorityYear="2015" family="Hadrosauridae" genus="Sirindhorna" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Sirindhorna khoratensis" order="Ornithischia" pageId="0" pageNumber="1" phylum="Chordata" rank="species" species="khoratensis">Sirindhorna khoratensis Shibata et al., 2015</taxonomicName>
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<paragraph pageId="0" pageNumber="1">Material.</paragraph>
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<paragraph id="1F5E447409FD3B9F5DF249D7D19B8391" pageId="0" pageNumber="1">Material.</paragraph>
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<typeStatus id="5CD977E164E25F8580C17F5492E99843">holotype</typeStatus>
NRRU3001-166, an articulated braincase including referred skull elements: a braincase articulating with a left postorbital (NRRU-A2035), dorsal half of a braincase (NRRU3001-65), caudal portion of a braincase (NRRU3001-179), a right premaxilla (NRRU-A3623), a left maxilla (NRRU-A2048) (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Exceptional specimen of ornithischian dinosaurs from Thailand. Stegosaurid vertebra (A. SM 2011 - 1 - 001), Phu Noi neornithischian left dentary (B. PRC 149), Phu Noi neornithischian articulated skeleton (C. PRC 150), Dan Luang neornithischian left femur (D. SM 2016 - 1 - 081), Psitacosaurus indet. Right femur (E. SM 2016 - 1 - 080), Psitacosaurus sattayaraki right dentary (F. SM 2016 - 1 - 163), Khok Pha Suam iguanodontian dorsal vertebra (G. SM 2021 - 1 - 113), Khok Pha Suam iguanodontian left femur (H. SM 2021 - 1 - 118), Siamodon nimngami left maxilla (I. PRC- 4), Ratchasimasaurus suranareae left dentary (J. NRRU-A 2064), Sirindhorna khoratensis left maxilla (K. NRRU-A 2048), Sirindhorna khoratensis right dentary (L. NRRU 3001 - 167); A and G in anterior view; B-D, and H-J in lateral view; E, F and L in medial view. Scale bars: 10 cm (A, C-E, G-L); 5 cm (B, F)." figureDoi="10.3897/fr.26.e93456.figure3" httpUri="https://binary.pensoft.net/fig/793761" pageId="0" pageNumber="1">3K</figureCitation>
<figureCitation id="26CEB1A551225C9808513F225B98ED2B" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Exceptional specimen of ornithischian dinosaurs from Thailand. Stegosaurid vertebra (A. SM 2011 - 1 - 001), Phu Noi neornithischian left dentary (B. PRC 149), Phu Noi neornithischian articulated skeleton (C. PRC 150), Dan Luang neornithischian left femur (D. SM 2016 - 1 - 081), Psitacosaurus indet. Right femur (E. SM 2016 - 1 - 080), Psitacosaurus sattayaraki right dentary (F. SM 2016 - 1 - 163), Khok Pha Suam iguanodontian dorsal vertebra (G. SM 2021 - 1 - 113), Khok Pha Suam iguanodontian left femur (H. SM 2021 - 1 - 118), Siamodon nimngami left maxilla (I. PRC- 4), Ratchasimasaurus suranareae left dentary (J. NRRU-A 2064), Sirindhorna khoratensis left maxilla (K. NRRU-A 2048), Sirindhorna khoratensis right dentary (L. NRRU 3001 - 167); A and G in anterior view; B-D, and H-J in lateral view; E, F and L in medial view. Scale bars: 10 cm (A, C-E, G-L); 5 cm (B, F)." figureDoi="10.3897/fr.26.e93456.figure3" httpUri="https://binary.pensoft.net/fig/793761" pageId="0" pageNumber="1">3K</figureCitation>
), a right maxilla (NRRU-A2047), a right jugal (NRRU3001-7), a right quadrate (NRRU3001-175), a predentary (NRRU3001-169), a left dentary (NRRU3001-14), a right dentary (NRRU3001-167) (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Exceptional specimen of ornithischian dinosaurs from Thailand. Stegosaurid vertebra (A. SM 2011 - 1 - 001), Phu Noi neornithischian left dentary (B. PRC 149), Phu Noi neornithischian articulated skeleton (C. PRC 150), Dan Luang neornithischian left femur (D. SM 2016 - 1 - 081), Psitacosaurus indet. Right femur (E. SM 2016 - 1 - 080), Psitacosaurus sattayaraki right dentary (F. SM 2016 - 1 - 163), Khok Pha Suam iguanodontian dorsal vertebra (G. SM 2021 - 1 - 113), Khok Pha Suam iguanodontian left femur (H. SM 2021 - 1 - 118), Siamodon nimngami left maxilla (I. PRC- 4), Ratchasimasaurus suranareae left dentary (J. NRRU-A 2064), Sirindhorna khoratensis left maxilla (K. NRRU-A 2048), Sirindhorna khoratensis right dentary (L. NRRU 3001 - 167); A and G in anterior view; B-D, and H-J in lateral view; E, F and L in medial view. Scale bars: 10 cm (A, C-E, G-L); 5 cm (B, F)." figureDoi="10.3897/fr.26.e93456.figure3" httpUri="https://binary.pensoft.net/fig/793761" pageId="0" pageNumber="1">3L</figureCitation>
<figureCitation id="BE304F8E45D4C6DAE9D6B81B39518714" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Exceptional specimen of ornithischian dinosaurs from Thailand. Stegosaurid vertebra (A. SM 2011 - 1 - 001), Phu Noi neornithischian left dentary (B. PRC 149), Phu Noi neornithischian articulated skeleton (C. PRC 150), Dan Luang neornithischian left femur (D. SM 2016 - 1 - 081), Psitacosaurus indet. Right femur (E. SM 2016 - 1 - 080), Psitacosaurus sattayaraki right dentary (F. SM 2016 - 1 - 163), Khok Pha Suam iguanodontian dorsal vertebra (G. SM 2021 - 1 - 113), Khok Pha Suam iguanodontian left femur (H. SM 2021 - 1 - 118), Siamodon nimngami left maxilla (I. PRC- 4), Ratchasimasaurus suranareae left dentary (J. NRRU-A 2064), Sirindhorna khoratensis left maxilla (K. NRRU-A 2048), Sirindhorna khoratensis right dentary (L. NRRU 3001 - 167); A and G in anterior view; B-D, and H-J in lateral view; E, F and L in medial view. Scale bars: 10 cm (A, C-E, G-L); 5 cm (B, F)." figureDoi="10.3897/fr.26.e93456.figure3" httpUri="https://binary.pensoft.net/fig/793761" pageId="0" pageNumber="1">3L</figureCitation>
), a right surangular (NRRU3001-137), isolated maxillary teeth (NRRU-A1956, A3630, A3649, NRRU3001-157, 163), an isolated dentary tooth (NRRU3001-28).
</paragraph>
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<paragraph pageId="0" pageNumber="1">Locality and age.</paragraph>
<paragraph pageId="0" pageNumber="1">
<subSubSection id="9D81AA8B7885EC308C49892A7CEC5BB2" pageId="0" pageNumber="1" type="locality and age">
<paragraph id="2BC1F1D2EE3096E23321EEF1204A033E" pageId="0" pageNumber="1">Locality and age.</paragraph>
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Ban Saphan Hin (a different site from the
<taxonomicName lsidName="S. nimngami" pageId="0" pageNumber="1" rank="species" species="nimngami">
<emphasis italics="true" pageId="0" pageNumber="1">S. nimngami</emphasis>
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<emphasis id="452FC56C6DB4A85901C241DCE41EC6D7" italics="true" pageId="0" pageNumber="1">S. nimngami</emphasis>
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was found), Suranaree Subdistrict, Nakhon Ratchasima Province; late Early Cretaceous Khok Kruat Formation (Aptian).
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<subSubSection pageId="0" pageNumber="1" type="previous study">
<paragraph pageId="0" pageNumber="1">Previous study.</paragraph>
<paragraph pageId="0" pageNumber="1">
<subSubSection id="A908839A7E78640E44FDCFB687B2F466" pageId="0" pageNumber="1" type="previous study">
<paragraph id="0D255136F3ABB389753C11F674075444" pageId="0" pageNumber="1">Previous study.</paragraph>
<paragraph id="9479D4DC4C048D7F159199E77B3582DE" pageId="0" pageNumber="1">
It is known from the presence of several braincases and dentaries that at least four individuals are known. The holotype material, a braincase, shows an autapomorphy: a sagittal crest extending along the entire dorsal surface of the parietal and reaching the frontoparietal suture (
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<bibRefCitation id="B3FBB6C7A765C4BE837E177325775678" DOI="https://doi.org/10.1371/journal.pone.0145904" author="Shibata, M" journalOrPublisher="Acta Geologica Sinica - English Edition" pageId="0" pageNumber="1" refId="B125" refString="Shibata, M, Jintasakul, P, Azuma, Y, You, H-L, 2015. A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10(12): e0145904. https://doi.org/10.1371/journal.pone.0145904" title="A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10 (12): e 0145904." url="https://doi.org/10.1371/journal.pone.0145904" year="2015">Shibata et al. 2015</bibRefCitation>
). Referred materials display a unique combination of characters, such as antorbital fossa of the maxilla not visible, a slightly rostrally deepening dentary ramus, and dentary teeth with primary and secondary ridges, but no accessory ridges (
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<bibRefCitation id="8CF2DBD264510C42415E811C2640A9C4" DOI="https://doi.org/10.1371/journal.pone.0145904" author="Shibata, M" journalOrPublisher="Acta Geologica Sinica - English Edition" pageId="0" pageNumber="1" refId="B125" refString="Shibata, M, Jintasakul, P, Azuma, Y, You, H-L, 2015. A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10(12): e0145904. https://doi.org/10.1371/journal.pone.0145904" title="A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10 (12): e 0145904." url="https://doi.org/10.1371/journal.pone.0145904" year="2015">Shibata et al. 2015</bibRefCitation>
). It was recovered in the basal position of non-hadrosaurid hadrosauroids (
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<bibRefCitation id="67C0E6BF2327F8B701D94A6A4220E929" DOI="https://doi.org/10.1371/journal.pone.0145904" author="Shibata, M" journalOrPublisher="Acta Geologica Sinica - English Edition" pageId="0" pageNumber="1" refId="B125" refString="Shibata, M, Jintasakul, P, Azuma, Y, You, H-L, 2015. A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10(12): e0145904. https://doi.org/10.1371/journal.pone.0145904" title="A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10 (12): e 0145904." url="https://doi.org/10.1371/journal.pone.0145904" year="2015">Shibata et al. 2015</bibRefCitation>
). However, later analysis recovered it near the base of Hadrosauromorpha, more advanced than
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<emphasis italics="true" pageId="0" pageNumber="1">R. suranareae</emphasis>
<taxonomicName id="4854DEF546BF821FFF8D0AB462DF9792" lsidName="R. suranareae" pageId="0" pageNumber="1" rank="species" species="suranareae">
<emphasis id="FDB544A4DAB21C1BB4918A50C60BBACC" italics="true" pageId="0" pageNumber="1">R. suranareae</emphasis>
</taxonomicName>
(
<bibRefCitation DOI="https://doi.org/10.1016/j.cretres.2019.104334" author="Madzia, D" journalOrPublisher="Journal of Systematic Palaeontology" pageId="0" pageNumber="1" refId="B82" refString="Madzia, D, Jagt, JWM, Mulder, EWA, 2020. Osteology, phylogenetic affinities and taxonomic status of the enigmatic late Maastrichtian ornithopod taxon Orthomerus dolloi (Dinosauria, Ornithischia). Cretaceous Research 108: 104334. https://doi.org/10.1016/j.cretres.2019.104334" title="Osteology, phylogenetic affinities and taxonomic status of the enigmatic late Maastrichtian ornithopod taxon Orthomerus dolloi (Dinosauria, Ornithischia). Cretaceous Research 108: 104334." url="https://doi.org/10.1016/j.cretres.2019.104334" year="2020">Madzia et al. 2020</bibRefCitation>
<bibRefCitation id="6F19CB628768EFDB161537F54171B104" DOI="https://doi.org/10.1016/j.cretres.2019.104334" author="Madzia, D" journalOrPublisher="Journal of Systematic Palaeontology" pageId="0" pageNumber="1" refId="B82" refString="Madzia, D, Jagt, JWM, Mulder, EWA, 2020. Osteology, phylogenetic affinities and taxonomic status of the enigmatic late Maastrichtian ornithopod taxon Orthomerus dolloi (Dinosauria, Ornithischia). Cretaceous Research 108: 104334. https://doi.org/10.1016/j.cretres.2019.104334" title="Osteology, phylogenetic affinities and taxonomic status of the enigmatic late Maastrichtian ornithopod taxon Orthomerus dolloi (Dinosauria, Ornithischia). Cretaceous Research 108: 104334." url="https://doi.org/10.1016/j.cretres.2019.104334" year="2020">Madzia et al. 2020</bibRefCitation>
). The
<taxonomicName lsidName="S. khoratensis" pageId="0" pageNumber="1" rank="species" species="khoratensis">
<emphasis italics="true" pageId="0" pageNumber="1">S. khoratensis</emphasis>
<taxonomicName id="ABCB785CFEF0A98FDBA8E001925C1F30" lsidName="S. khoratensis" pageId="0" pageNumber="1" rank="species" species="khoratensis">
<emphasis id="9B26649286C848B5762246EBD4785747" italics="true" pageId="0" pageNumber="1">S. khoratensis</emphasis>
</taxonomicName>
maxilla (NRRU-A2048) has a low-angled triangular shape and the caudally positioned lacrimal process, and its 24 alveoli are rostrocaudally arranged and slightly curved caudolaterally. It is different from the isosceles triangular shape with a dorsal process positioned at the middle of the maxilla in
<taxonomicName lsidName="S. nimngami" pageId="0" pageNumber="1" rank="species" species="nimngami">
<emphasis italics="true" pageId="0" pageNumber="1">S. nimngami</emphasis>
<taxonomicName id="00F82B4F0FD04DD1653D380B44BC21B0" lsidName="S. nimngami" pageId="0" pageNumber="1" rank="species" species="nimngami">
<emphasis id="C373B047E3009CED7A68EE3D1E1DD2D9" italics="true" pageId="0" pageNumber="1">S. nimngami</emphasis>
</taxonomicName>
(
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<bibRefCitation id="A35A2E1AC55A4C9F792CBFA81A7FA848" DOI="https://doi.org/10.1371/journal.pone.0145904" author="Shibata, M" journalOrPublisher="Acta Geologica Sinica - English Edition" pageId="0" pageNumber="1" refId="B125" refString="Shibata, M, Jintasakul, P, Azuma, Y, You, H-L, 2015. A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10(12): e0145904. https://doi.org/10.1371/journal.pone.0145904" title="A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10 (12): e 0145904." url="https://doi.org/10.1371/journal.pone.0145904" year="2015">Shibata et al. 2015</bibRefCitation>
).
<taxonomicName lsidName="R. suranareae" pageId="0" pageNumber="1" rank="species" species="suranareae">
<emphasis italics="true" pageId="0" pageNumber="1">R. suranareae</emphasis>
<taxonomicName id="0720B62B35B76190F4D1464D4AD7901B" lsidName="R. suranareae" pageId="0" pageNumber="1" rank="species" species="suranareae">
<emphasis id="7393D6A59B7CF61A126E070C7D80C953" italics="true" pageId="0" pageNumber="1">R. suranareae</emphasis>
</taxonomicName>
has a low and elongated dentary ramus and a robust coronoid process that differs from the robust and straight dentary ramus with a subvertical coronoid process seen in
<taxonomicName lsidName="S. khoratensis" pageId="0" pageNumber="1" rank="species" species="khoratensis">
<emphasis italics="true" pageId="0" pageNumber="1">S. khoratensis</emphasis>
<taxonomicName id="C64053FBC80C0F791D1F353D0C6DD1A9" lsidName="S. khoratensis" pageId="0" pageNumber="1" rank="species" species="khoratensis">
<emphasis id="B5501A7FDA686AE8FA7ED318649487E5" italics="true" pageId="0" pageNumber="1">S. khoratensis</emphasis>
</taxonomicName>
(
<bibRefCitation DOI="https://doi.org/10.1371/journal.pone.0145904" author="Shibata, M" journalOrPublisher="Acta Geologica Sinica - English Edition" pageId="0" pageNumber="1" refId="B125" refString="Shibata, M, Jintasakul, P, Azuma, Y, You, H-L, 2015. A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10(12): e0145904. https://doi.org/10.1371/journal.pone.0145904" title="A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10 (12): e 0145904." url="https://doi.org/10.1371/journal.pone.0145904" year="2015">Shibata et al. 2015</bibRefCitation>
<bibRefCitation id="C537CF6791AC1212AB95A6925D2FC088" DOI="https://doi.org/10.1371/journal.pone.0145904" author="Shibata, M" journalOrPublisher="Acta Geologica Sinica - English Edition" pageId="0" pageNumber="1" refId="B125" refString="Shibata, M, Jintasakul, P, Azuma, Y, You, H-L, 2015. A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10(12): e0145904. https://doi.org/10.1371/journal.pone.0145904" title="A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10 (12): e 0145904." url="https://doi.org/10.1371/journal.pone.0145904" year="2015">Shibata et al. 2015</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="comments">
<paragraph pageId="0" pageNumber="1">Comment.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName lsidName="S. khoratensis" pageId="0" pageNumber="1" rank="species" species="khoratensis">
<emphasis italics="true" pageId="0" pageNumber="1">S. khoratensis</emphasis>
<subSubSection id="E87ABA3B7C75B83754F9FEC7A94FEC95" pageId="0" pageNumber="1" type="comments">
<paragraph id="08F9BFA74126B266C080F5E560E3E4D6" pageId="0" pageNumber="1">Comment.</paragraph>
<paragraph id="7722BE142AB7DECC4F647DFDE76E6DB9" pageId="0" pageNumber="1">
<taxonomicName id="A1BA08A69ADD58CCFAB5B09B95B9E740" lsidName="S. khoratensis" pageId="0" pageNumber="1" rank="species" species="khoratensis">
<emphasis id="37961455094214E4BFD0B4DDDE35F56D" italics="true" pageId="0" pageNumber="1">S. khoratensis</emphasis>
</taxonomicName>
is considered to be the best-preserved iguanodontian ornithopod in Southeast Asia (
<bibRefCitation DOI="https://doi.org/10.1371/journal.pone.0145904" author="Shibata, M" journalOrPublisher="Acta Geologica Sinica - English Edition" pageId="0" pageNumber="1" refId="B125" refString="Shibata, M, Jintasakul, P, Azuma, Y, You, H-L, 2015. A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10(12): e0145904. https://doi.org/10.1371/journal.pone.0145904" title="A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10 (12): e 0145904." url="https://doi.org/10.1371/journal.pone.0145904" year="2015">Shibata et al. 2015</bibRefCitation>
<bibRefCitation id="5EF729BC4B499B3663599BFB239B5A90" DOI="https://doi.org/10.1371/journal.pone.0145904" author="Shibata, M" journalOrPublisher="Acta Geologica Sinica - English Edition" pageId="0" pageNumber="1" refId="B125" refString="Shibata, M, Jintasakul, P, Azuma, Y, You, H-L, 2015. A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10(12): e0145904. https://doi.org/10.1371/journal.pone.0145904" title="A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation in Nakhon Ratchasima Province, Northeastern Thailand. PLoS ONE 10 (12): e 0145904." url="https://doi.org/10.1371/journal.pone.0145904" year="2015">Shibata et al. 2015</bibRefCitation>
). In addition to the published cranial material, the Ban Saphan Hin locality has also yielded a postcranial skeleton that is assumed to belong to
<taxonomicName lsidName="S. khoratensis" pageId="0" pageNumber="1" rank="species" species="khoratensis">
<emphasis italics="true" pageId="0" pageNumber="1">S. khoratensis</emphasis>
<taxonomicName id="8AFBF25DAD4E8C546B823F49533B5E4A" lsidName="S. khoratensis" pageId="0" pageNumber="1" rank="species" species="khoratensis">
<emphasis id="108CB23E4F8B41D63CDE36FF4838814C" italics="true" pageId="0" pageNumber="1">S. khoratensis</emphasis>
</taxonomicName>
because the five discovered braincases show no features to imply the presence of different taxa (
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<bibRefCitation id="5448DC91B9A810E7218926BD6E4C2895" author="Shibata, M" journalOrPublisher="Acta Geologica Sinica - English Edition" pageId="0" pageNumber="1" refId="B126" refString="Shibata, M, Jintasakul, P, Azuma, Y, Chokchaloemwong, D, Kawabe, S, 2018. All about Sirindhorna khoratensis (Ornithopoda; Hadrosauroidea). In: Te 6th International Symposium of International Geoscience Programme IGCP Project 608, 4-5." title="All about Sirindhorna khoratensis (Ornithopoda; Hadrosauroidea). In: Te 6 th International Symposium of International Geoscience Programme IGCP Project 608, 4 - 5." year="2018">Shibata et al. 2018</bibRefCitation>
). CT-scanning revealed the brain morphology of
<taxonomicName lsidName="S. khoratensis" pageId="0" pageNumber="1" rank="species" species="khoratensis">
<emphasis italics="true" pageId="0" pageNumber="1">S. khoratensis</emphasis>
<taxonomicName id="5E64A40BAAD7FB9D83376E13567A0E44" lsidName="S. khoratensis" pageId="0" pageNumber="1" rank="species" species="khoratensis">
<emphasis id="1CF4486657513A9917F64FB464FDB38D" italics="true" pageId="0" pageNumber="1">S. khoratensis</emphasis>
</taxonomicName>
, which has general endocast features resembling those of non-hadrosaurid hadrosauroids (
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<bibRefCitation id="0EF71B3B89C84C7C9702B7ACACCCB89D" author="Shibata, M" journalOrPublisher="Acta Geologica Sinica - English Edition" pageId="0" pageNumber="1" refId="B126" refString="Shibata, M, Jintasakul, P, Azuma, Y, Chokchaloemwong, D, Kawabe, S, 2018. All about Sirindhorna khoratensis (Ornithopoda; Hadrosauroidea). In: Te 6th International Symposium of International Geoscience Programme IGCP Project 608, 4-5." title="All about Sirindhorna khoratensis (Ornithopoda; Hadrosauroidea). In: Te 6 th International Symposium of International Geoscience Programme IGCP Project 608, 4 - 5." year="2018">Shibata et al. 2018</bibRefCitation>
).
</paragraph>
</subSubSection>