This taxon is considered nomen dubium, species not entered
of the valid taxon Saurischia
according to the Paleobiology Database.
See the page for Saurischia →
Bibliography
Original description
H. G. Seeley. 1882. On <i>Thecospondylus horneri</i>, a new dinosaur from the Hastings Sand, indicated by the sacrum and the neural canal of the sacral region. Quarterly Journal of the Geological Society of London 38:457-460
DOI ↗