Magyar, J. Osi, A. Csiki-Sava, Z. Budai, S. Botfalvai, G. 2026 New early Maastrichtian 'duck-billed' dinosaur from Hațeg Basin (Densus-Ciula Formation, Romania) documents an endemic clade of non-hadrosaurid hadrosauroids in the south-eastern Late Cretaceous European Archipelago Journal of Systematic Palaeontology 24 2607800 Ouranosaurusn Bactrosaurusj Claosaurusa Eolambiac Eotrachodono Equijubusn Gilmoreosaurusm Gobihadrosm Iguanodonb Jintasaurusm Jinzhousaurusy Levnesoviat Mantellisaurusa Nanningosaurusd Plesiohadrosd Probactrosaurusgr Qianjiangsaurusc Sirindhornak Taniuss Telmatosaurust Tethyshadrosi Xuwulongy Yunganglongd Zhanghenglong Zuoyunlong Acristavusg Brachylophosaurusc Edmontosaurusa Edmontosaurusr Gryposaurusl Gryposaurusm Gryposaurusn Hadrosaurusf Kerberosaurusm Kritosaurusn Lophorhothona Maiasaurap Probrachylophosaurusb Prosaurolophusm Rhinorexc Saurolophusa Saurolophuso Secernosaurusk Shantungosaurusg Wulagasaurusd Amurosaurusr Aralosaurust Arenysaurusa Charonosaurusj Corythosaurusc Corythosaurusi Hypacrosaurusa Hypacrosauruss Jaxartosaurusa Lambeosauruslm Lambeosaurusm Magnapaulial Olorotitana Pararhabdodoni Parasaurolophusc Parasaurolophust Parasaurolophusw Tsintaosauruss Velaphronsc Kryptohadrosk Fylax_thyrakolasus Osteology Maximum Parsimony Based on reanalysis of the original matrix. Magyar_etal_2026ab