This taxon is considered nomen dubium
of the valid taxon Iguanodontia
according to the Paleobiology Database.
See the page for Iguanodontia →
Bibliography
Original description
H. G. Seeley. 1883. On the dorsal region of the vertebral column of a new dinosaur (indicating a new genus, Sphenospondylus), from the Wealden of brook in the Isle of Wight, preserved in the Woodwardian Museum of the University of Cambridge. Quarterly Journal of the Geological Society of London 39:55-61
DOI ↗