Full reference: J. A. F. Lockwood, D. M. Martill, and S. C. R. Maidment. 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(4):e70034:1-38
Parent taxon: Styracosterna according to J. A. F. Lockwood et al. 2025
Sister taxa: Calvarius, Cumnoria, Dakotadon, Delapparentia, Draconyx, Hadrosauriformes, Hippodraco, Iguanacolossus, Lanzhousaurus, Magnamanus, Napaisaurus, Riabininohadros, Theiophytalia
Subtaxa: Istiorachis macarthurae
Type: Istiorachis macarthurae
Ecology: ground dwelling herbivore
Distribution: found only at 100 m east of Grange Chine (bed L11) (Cretaceous of the United Kingdom)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.