This taxon is considered nomen dubium
of the valid taxon Ankylosauria
according to the Paleobiology Database.
See the page for Ankylosauria →
Bibliography
Original description
H. G. Seeley. 1875. On the femur of Cryptosaurus eumerus, Seeley, a dinosaur from the Oxford Clay of Great Gransden. Quarterly Journal of the Geological Society of London 319:149-151
DOI ↗