Genus: Pelorosaurus MANTELL, 1850
Etymology: Greek, pelor, “monster”, and Greek, sauros, “lizard”: “Monster lizard”
= Hoplosaurus LYDEKKER, 1890/SEELEY, 1881
Etymology: Greek, hoplon “weapon, shield”, and Greek, sauros, “lizard”: “Armored lizard”.
= Morinosaurus SAUVAGE, 1874 (nomen dubium)
Etymology: Latin, Morini, an ancient people of northern France, and Greek, sauros, “lizard”: “Morini lizard”.
= Pelerosaurus GALTON, 1980 (sic)
= Pelosaurus FISCHER, 1989 (sic)
= Pelrorosaurus DELAIR, 1959 (sic)
= Polorosaurus SEELEY, 1869 (sic)
= Telorosaurus BAUR, 1891 (sic)

Species: conybearei (MELVILE, 1849) MANTELL, 1850
Etymology: In honor of English geologist, palaeontologist and clergyman William Daniel Conybeare.

Syntype: NHMUK R (old BMNH) 28626

Locality: Tilgate Forest, Cuckfield, West Sussex County, England, Southern United Kingdom.

Horizon: Grinstead Clay (Tilgate Forest), Lower Wealden Formation.

Biostratigraphy:

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

Material: Right humerus and caudal vertebrae.

Referred material:

LOMAX & TAMURA, 2014

NHMUK R2548: Anterior chevron.

 

LYDEKKER, 1888

Locality: Sandown, Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

NHMUK (old BMNH) R713: Shaft of a left humerus.

 


LYDEKKER, 1890

Locality: Kent County, England, Southern United Kingdom.

Horizon: Wealden Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

NHMUK R (old BMNH)1610: A crown of a tooth.

 

MANTELL, 1850

Locality: Hastings, East Sussex County, England, Southern United Kingdom.

Horizon: Upper Wealden Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

Number: Not given: Distal end of femur.

 


Locality: Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given: Distal end of femur.

 


Locality: Sandown Bay, Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given: Proximal end of a tibia.

 

OWEN, 1874

Locality: Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given: Tooth.

Note: Referred to a laniariform tooth of Iguanodon mantelli.

 

= Cetiosaurus brevis OWEN, 1842 (nomen dubium)
Etymology: Latine, brevis, "short."
= Morosaurus brevis (OWEN, 1842) SWINTON, 1936 (nomen dubium)
= Cetiosaurus conybearei MELVILE, 1849 (nomen dubium)

Syntype (of P. conybeari): NHMUK R (old BMNH) 2544-2550

Locality: Cuckfield, West Sussex County, England, Southern United Kingdom.

Horizon: Upper Wealden Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material: 4 caudal vertebrae.

Referred material:

BENTON & SPENCER, 1995

Locality: From the Upper Silty Bed north of the sea wall below Yaverland Battery, Sandown, Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given: Limb bones.

 


LYDEKKER, 1888

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

NHMUK R (old BMNH) 2249: Fragmentary dorsal vertebra.

NHMUK R (old BMNH) 2144: Postmedium caudal with chevron anchylosed to it.

NHMUK R (old BMNH) 2166: Centrum and greater part of the arch of a caudal vertebra.

NHMUK R (old BMNH) 28646: Fragmentary posterior caudal vertebra.

NHMUK R (old BMNH) 28646a: Centrum of a smaller caudal vertebra.

 


Locality: Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

NHMUK R (old BMNH) 2144: Centrum and base of the arch of a later caudal vertebra.

NHMUK R (old BMNH) R141: Centrum of a caudal vertebra.

 


LYDEKKER, 1892

Locality: Wadhurst Clay, Brook, Isle of Wight County, England, Southern United Kingdom.

Horizon: Upper Wealden Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

NHMUK R (old BMNH) 28641: Fragmentary sacral centrum

 

 

Locality: Brixton, Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

NHMUK R (old BMNH) 96: Part of the centrum and 1 rib of a cervical vertebra in a decomposed condition.

 


= Ornithopsis hulkei SEELEY, 1870 (nomen dubium) (Referred material)

Locality: Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

NHMUK R (old BMNH) 92: A fragmentary (?) lumbar vertebrae.

NHMUK R (old BMNH) 93: 3 more or less imperfect centra of the cervical region.

NHMUK R (old BMNH) 95: 3 small imperfect vertebrae.

NHMUK R (old BMNH) 97a: Imperfect left ischium.

NHMUK R (old BMNH) 98: An imperfect dorsal vertebra.

NHMUK R (old BMNH) 141a: 4 imperfect posterior caudal vertebrae.

NHMUK R (old BMNH) 156: A bone, provisionally regarded as a left posterior sacral rib.

NHMUK R (old BMNH) 164: Proximal portion of a right ischium.

NHMUK R (old BMNH) 164a: Proximal portion of a left ischium.

NHMUK R (old BMNH) 173: 2 imperfect cervical vertebrae.

NHMUK R (old BMNH) 208: The anterior articulation of a very large trunk vertebra.

NHMUK R (old BMNH) 209: The right half of the haemal region of what appears to be a posterior or last lumbar vertebra.

NHMUK R (old BMNH) 212: Distal end of a left scapula.
Note: Similar to Brontosaurus.

NHMUK R (old BMNH) 751: Part of a right maxilla.

NHMUK R (old BMNH) 28937: Part of the waterworn centrum of a trunk vertebra.

NHMUK R (old BMNH) 28688: Proximal portion of the right ischium.

NHMUK R (old BMNH) 46781: Fragmentary sacral rib?

 

 

Locality: Brixton Bay, Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

NHMUK R (old BMNH)964: Tooth.

 

Locality: Sandown, Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

NHMUK R (old BMNH) 48410: Imperfect centrum and part of the arch of a similar vertebra.

 


Locality: Hastings, (TQ 831095-TQ 853105), East Sussex County, England, Southern United Kingdom.

Horizon: Hastings Beds, (Ashdown Beds, Tunbridge Wells Sand).

Biostratigraphy:

Age: Berriasian-Valanginian Stage, Neocomian Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

NHMUK R (old BMNH) 985: Fragment of a worn centrum of a enormous trunk vertebra.

NHMUK R (old BMNH) 986b: Rib.

 

 

Locality: Unknown, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age:?

Material:

NHMUK R (old BMNH)986a: Rib.

 

BENTON & SPENCER, 1995

Locality: From the Upper Silty Bed north of the sea wall below Yaverland Battery, Sandown, Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given. Limb bone.