Holotype: BMNH, OUM

Locality: Town Gardens Quarry, Swindon, Wiltshire County, England, Southern United Kingdom.

Horizon: ‘higher’ beds, Portland Stone.

Biostratigraphy:

Age: Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material: Dorsal spines.
Note: DELAIR & WIMBLEDON, 1993 “The spines appear not to be referable to any described taxon and may ultimately prove to belong to a new genus.