Lockwood, J. A. F. Martill, D. M. Maidment, S. C. R. 2025 The origins of neural spine elongation in iguanodontian dinosaurs and the osteology of a new sail-back styracosternan (Dinosauria, Ornithischia) from the Lower Cretaceous Wealden Group of England Papers in Palaeontology 11 e70034 Lesothosaurus_diagnosticus Hypsilophodon_foxii Zalmoxes_robustus Zalmoxes_shqiperorum Rhabdodon_spp Tenontosaurus_tilletti Dryosaurus_altus Dysalotosaurus_lettowvorbecki Valdosaurus_canaliculatus Camptosaurus_dispar Uteodon_aphanoecetes Dakotadon_lakotaensis Hippodraco_scutodens Iguanacolossus_fortis Proa_valdearinnoensis Lanzhousaurus_magnidens Hypselospinus_fittoni Bayannurosaurus_perfectus Ouranosaurus_nigeriensis Barilium_dawsoni Iguanodon_bernissartensis Altirhinus_kurzanovi Bolong_yixianensis Equijubus_normani Sirindorna_khoratensis Batyrosaurus_rozhdestvenskyi Penelopognathus_weishampeli Probactrosaurus_gobiensis Eolambia_caroljonesa Levnesovia_transoxiana Bactrosaurus_johnsoni Gilmoreosaurus_mongoliensis Tethyshadros_insularis Telmatosaurus_transsylvanicus Hypacrosaurus_altispinus Lambeosaurus_lambei Saurolophus_osborni Edmontosaurus_regalis Brighstoneus_simmondsi Jinzhousaurus_yangi Mantellisaurus_atherfieldensis Comptonatus_chasei Istiorachis_macarthurae Morelladon_beltrani Osteology Maximum Parsimony Based on reanalysis of the original matrix. Lockwood_etal_2025a