Genus: Regnosaurus MANTELL, 1848 (nomen dubium)
Etymology: Regni, an ancient tribe in southern England (modern Sussex) and Greek, sauros, “lizard”: “Sussex lizard.”
= Iguanodon referred lower jaw MANTELL, 1848

Species: northamptoni MANTELL, 1848 (nomen dubium)
Etymology: In honor of the nobel President of the Royal Society, Spencer Compton, 2nd Marquis of Northampton, 1790 - 1851.
= Hylaeosaurus northamptoni (MANTELL, 1848) OWEN, 1858 (nomen dubium)

Holotype: BMNH 2422

Locality: Tilgate Forest, in a quarry north of Cuckfield, West Sussex County, England, Southern United Kingdom.

Horizon: Wealden Formation.

Biostratigraphy:

Age: Valanginian Stage, Middle Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.

Material: Fragmentary right dentary showing dental alveoli and the bases of the teeth.

Referred material:

GALTON, 1983

Locality: Point 74 (Geological Map of Portugal 1:50,000) between Porto de Barcas and Porto Pinheiro near Lourinha, Estremadura Province, Portugal.

Horizon:

Biostratigraphy:

Age: Lower Berriasian Stage, Lower Neocomian Subepoch, Lowermost Early Cretaceous Epoch, Early Cretaceous.
Note: Originally thought to be Upper Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material: Dermal plate found with a well preserved right stocky dermal spine (Referred to Dacentrurus armatus GALTON, 1991)

Note: First referred to Dracopelta, then in Galton, 1994 refers these specimens tentatively referred to Craterosaurus.

 

GALTON, 1983

Locality: Point 74 (Geological Map of Portugal 1:50,000) between Porto de Barcas and Porto Pinheiro near Lourinha, Estremadura Province, Portugal.

Horizon:

Biostratigraphy:

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

Material:

FUB A: Found with a well preserved right stocky dermal spine.

FUB B: Proximal part of a right dorsal rib with the tubereculum but lacking the capitulum.

Note: Found with a dermal plate of Dracopelta sp.

Note: Tentatively referred to Regnosaurus (OLSHEVSKY, 1996)

 

LYDEKKER, 1888

Locality: Potton, Bedfordshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.

Material:

BMNH 40458: A water-worn dermal spine.

Note: Tentatively referred to Regnosaurus (OLSHEVSKY, 1996)

 

PEREDA-SUBERBIOLA, 1993

Locality: Southwest coast of Isle of Wight, near Barnes High, Isle of Wight County, England, Southern United Kingdom.

Horizon: Upper Wealden Formation.

Biostratigraphy:

Age: Upper Barremian Stage, Lower Neocomian Subepoch, Lowermost Early Cretaceous Epoch, Early Cretaceous.

Material:

BMNH 19533: Dermal spine.

Note: Tentatively referred to Regnosaurus (OLSHEVSKY, 1996)