Ornithischian dinosaurs in Southeast Asia: a review with palaeobiogeographic implications Author Manitkoon, Sita https://orcid.org/0000-0002-0375-329X Faculty of Science, Mahasarakham University, Khamriang, Mahasarakham, 44150, Thailand Author Deesri, Uthumporn https://orcid.org/0000-0002-6095-8654 Faculty of Science, Mahasarakham University, Khamriang, Mahasarakham, 44150, Thailand uthumporn_deesri@yahoo.com Author Warapeang, Prapasiri https://orcid.org/0000-0001-7999-0323 Faculty of Science, Mahasarakham University, Khamriang, Mahasarakham, 44150, Thailand Author Nonsrirach, Thanit https://orcid.org/0000-0001-7432-628X Faculty of Science, Mahasarakham University, Khamriang, Mahasarakham, 44150, Thailand Author Chanthasit, Phornphen Palaeontological Research and Education Centre, Mahasarakham University, Khamriang, Mahasarakham, 44150, Thailand text Fossil Record 2023 2023-01-10 26 1 1 25 http://dx.doi.org/10.3897/fr.26.e93456 journal article http://dx.doi.org/10.3897/fr.26.e93456 2193-0074-1-1 F8C273F5D7C54A5CBF0A56C7C3085D55 31E88D0E24BE5C97B7D3DF99135E1514 Ratchasimasaurus suranareae Iguanodontian indet. ('Savannakhet iguanodontian B' ) Material. unnumbered specimen consists of series of dorsal vertebrae, rib, pubis, and ischium. Locality and age. Ban Lamthouay, Tang Vay District, Savannakhet Province; The Gres Superieurs Formation (≈ the Khok Kruat Formation), Aptian-Albian. Comments. These unpublished materials are kept in the Dinosaur Museum of Savannakhet. It is necessary to compare these with the unpublished postcranial material of S. khoratensis .