Thecospondylus

Thecospondylus Temporal range: Early Cretaceous, ~140–129 Ma PreꞒ Ꞓ O S D C P T J K Pg N Valanginian-Hauterivian
Thecospondylus neural canal cast
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Genus:	†Thecospondylus Seeley, 1882
Species:	†T. horneri
Binomial name
†Thecospondylus horneri Seeley, 1882

Thecospondylus (THEEK-o-SPON-di-lus, "sheath vertebra") is a dubious genus of dinosaur from the Early Cretaceous of England. Scientists are unsure as to whether Thecospondylus was a saurischian or an ornithischian.