Genus: Marmarospondylus OWEN, 1875 (nomen dubium)
Etymology: Greek, marmaros “marble”, and Greek, spondylos “vertebrae”: “Marble (quarry) vertebrae”.

Species: ? robustus OWEN, 1875 (nomen dubium)
Etymology:
= Bothriospondylus? robustus (OWEN, 1875) OLSHEVSKY, 1978 (nomen dubium)

Holotype: BMNH 22428

Locality: Bradford-on-Avon, Wiltshire County, England, Southern United Kingdom.

Horizon: Forest Marble.

Biostratigraphy:

Age: Late Bathonian Stage, Middle Dogger Epoch, Middle Jurassic.

Material: Dorsal centra.

Referred material:

BMNH 44589-44595: Vertebrae.

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