Species: longicollis OWEN, 1849-1884
Etymology:

Holotype: BMNH 49002

Locality: Culand Pits, Burham, (TQ 738617), Kent County, England, Southern United Kingdom.

Horizon: Zig-Zag Chalk Formation [South Downs Nomenclature] (Lower Chalk, Abbotts Cliff Chalk Formation [North Downs nomenclature]), Lower Chalk-Upper Chalk.

Biostratigraphy: Calycoceras guerangeri Zone.

Age: Upper Cenomanian Stage, Uppermost Gallic Subepoch, Lower Gulf Epoch, Late Cretaceous.

Material: A partial braincase and fragmentary right and left mandibles, 17 articulated cervical and 19 anterior dorsal vertebrae and ribs.

Referred material:

LYDEKKER, 1888

BMNH 32268: Portion of the vertebral column.

 

Locality: Lidden Sput, Near Folkestone, Kent County, England, Southern United Kingdom.

Horizon: Chalk.

Biostratigraphy:

Age: Late Cretaceous.

Material:

BMNH 44141: Fragments of the skull and some of the anterior vertebrae.

 

Locality: Southeram Pit, near Lewes, East Sussex County, England, Southern United Kingdom.

Horizon: Middle Lower Chalk.

Biostratigraphy: Acanthosceras rhotomangense Zone.

Age: Middle Cenomanian Stage, Uppermost Gallic Subepoch, Lower Gulf Epoch, Late Cretaceous.

Material:

BMNH 49907-8: Fragments of the trunk, tail and anterior limb.

CALDWELL, 2000

BMNH 0085687: 3 prepared blocks of fragmentary skeletons.

 

DIEDRICH, 1999

Locality: Quarry Dieckmann KG in the Hesseltal of Halle/Westphalia, Saschen (Saxony) State, NorthWest Germany.

Horizon: Phase I-II of the Puzosia event I.

Biostratigraphy: Mytiloides geslinianum-Zone.

Age: Uppermost Upper Cenomanian Stage, upper Gallic subepoch, Lower Gulf Epoch, Middle Cretaceous.

Material:

Westfalisches Museum fur Naturkund Munster, No P 21960: Thoracal vertebra.