Genus: Palaeosaurus RILEY & STUTCHBURY, 1836 (nomen dubium)
Etymology: Latin, paleo, "acient" and Greek, sauros, "lizard."

Species: platyodon RILEY & STUTCHBURY 1836 (nomen dubium)
Etymology: Greek, platy, "flat" and Greek, odon, "tooth."
= Rileya platyodon (RILEY & STUTCHBURY 1836) KUHN, 1933 (nomen dubium)

Holotype: BRSMG

Locality: Quarry in the Magnesian Conglomerate at Redland, the southeastern extremity of Durdham Downs, Near Bristol, Avon, (ST 572747), Gloucestershire County, England.

Horizon: Fissure fill.

Biostratigraphy:

Age: Carnian/Norian Stage, Late Triassice Epoch, Late Triassic.

Material: Posterior tooth.