Genus: Dinodocus OWEN, 1884 (nomen dubium)
Etymology: Greek, deinos, “terrible”, Greek, dokos, “beam, rafter, shaft” + us: ” Terrible beam”.

Species: mackesoni OWEN, 1884 (nomen dubium)
Etymology: In honor of Mr. H. B. Mackeson.
= Pelorosaurus mackesoni (OWEN, 1884) STEEL, 1970 (nomen dubium)
= Polyptychodon mackesoni OWEN, 1884 (nomen vanum)

Holotype: NHMUK OR (old BMNH) 14695

Locality: Near Hythe, Kent County, England, Southern United Kingdom.

Horizon: Lower Greensand.


Age: Aptian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Fragmentary left humerus, proximal end of a right humerus, and impressions of right ulna and radius.