Genus: Mantellisaurus PAUL, 2006
Etymology: In honor of the discover of Wealden iguandonts, Gideion Mantell, and Greek, sauros, "lizard."
= Dollodon PAUL, 2008
Etymology: In honor of Louis Dollo, who first described this and other Bernissart iguanodonts, and Greek, odon, "tooth."

Species: atherfieldensis (HOOLEY, 1925) PAUL, 2006
= Iguanodon? atherfieldensis HOOLEY, 1925
Etymology: In reference to Atherfield, Isle of Wight County, England, where the specimen was found.
= Iguanodon bernissartensis HOOLEY, 1917

Holotype: NHMUK (old BMNH) R5764

Locality: Cliff near Atherfield, Brightstone Bay, Isle of Wight County, England, Southern United Kingdom.

Horizon: Sheperds Chine Member, Vectis Formation, Wealden Group.

Biostratigraphy:

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

Material: Nearly complete skull and skeleton lacking most of the tail of a juvenile.

Note: Skin impressions.

After Hooley, 1925.

After LOCKWOOD, MARTILL & MAIDMENT, 2021.

Modified from Hooley, 1925.

After Hooley, 1925.

After Hooley, 1925.

Referred material:

Locality: On a beach between Barnes High and Cowleaze, Isle of Wight County, England, Southern United Kingdom.

Horizon: Upper Wealden Formation.

Biostratigraphy:

Age: Barremian Stage, Lower Gallic Subepoch, Middle Early Cretaceous, Early Cretaceous.

Material:

NHMUK (old BMNH) R8650: A fragmentary sacrum with center 1-4 and fused sacral ribs 1-5 of the right side of a juvenile.

 

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

Horizon: Wealden Formation.

Biostratigraphy:

Age: Barremian Stage, Lower Gallic Subepoch, Middle Early Cretaceous, Early Cretaceous.

Material:

NHMUK (old BMNH) R124: Small right tibia.

 

= Iguanodon sp ANDREWS, 1897 (referred to Mantellisaurus cf. atherfieldensis BRASER et al, 2017).

Locality: On the shore near Brook Point, Isle of Wight County, England, Southern United Kingdom.

Horizon: Wealden Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

NHMUK (old BMNH): Braincase.

 

BENTON & SPENCER, 1995

Locality: Claypit at Smokejacks Brickworks (Ockley Brick Company Limited), Wallis Wood, Ockley, near Dorking, Surrey County, England, Southern United Kingdom.

Horizon: Weald Clay, Upper Wealden,

Biostratigraphy:

Age: Near the base of the Barremian Stage, Lower Gallic Subepoch, Middle Early Cretaceous, Early Cretaceous.

Material:

NHMUK (old BMNH) R6432-640: Vertebrae and limb bones of immature individuals.

 

GASULLA, SANZ, ORTEGA, ESCASO & PEREZ-GARCIA, 2012

Locality: Mas de la Parreta quarry, Morella, Castellon Province, Spain.

Horizon: Morella Formation.

Biostratigraphy:

Age: Early Aptian Stage, Early Gallic Subepoch, Middle Early Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given: Posterior dorsal and anterior caudal vertebrae.

 

= Ornithischia gen. sp indet HULKE, 1871 (referred to Mantellisaurus cf. atherfieldensis, Soto et al, 2012)

Locality: Brooke, 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: Fragment of posterior portion of a skull.

 

HUTT, 2001

Locality: Brook 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:

MIWG 6455: Partial skeleton.

 

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:

MIWG 6541: Fused carpals.

MIWG 6564: Right coracoid.

 

LOMAX & TAMURA, 2014

Locality: Grange Chine, Brighstone Bay, south west coastline of the Isle of Wight, England.

Horizon: Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

NIWG.6344: Dorsal vertebrae.

Note: Found with Neovenator (MIWG.6344).

NORMAN, 1986

IRSNB 1551:

Locality: A deep underground mine called the Sainte-Barbe pit, near Bernissart, Belgium.

Horizon: Bernissartian.

Biostratigraphy:

Age: Hauterivian Stage, Upper Neocomian Subepoch-Lower Aptian Stage, Middle Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

MIWG 6455: Skull and complete skeleton.

 

 

cf. atherfieldensis

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

Unregistered collection.

"2F bis": Ilium, ischium, pubis, tibia, metatarsal and ilium.

 

Locality: Coal tips ("terril"), Bernissart, Belgium.

Horizon: Bernissartian.

Biostratigraphy:

Age: Hauterivian Stage, Upper Neocomian Subepoch-Lower Aptian Stage, Middle Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

BMNH: Tooth crown.

 

MARTIN & BUFFETAUT, 1992

Locality: Wassy, Saint-Dizier, Haute-Marne Deparment, France.

Horizon:

Biostratigraphy:

Age: Hauterivian Stage, Upper Neocomian Subepoch-Lower Aptian Stage, Middle Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material: Museum of Saint-Dizier

752542 12: Fragment of neural arch.

752542 13, 16: Neural spines.

752542 14: Neural spine of dorsal vertebra 752542 57.

752542 17: Fragment of rib.

752542 18, 19: Fragment of neural spines.

752542 20, 73, 74: Fragment of neural spines.

752542 21-23: Casts of long bones.

752542 24: Indeterminate bone.

752542 25: Anterior neural arch of a caudal vertebra.

752542 28, 31: Fragments of indeterminate bones.

752542 29: Neural arch of a dorsal vertebra.

752542 32-34, 40: Fragments of bones.

752542 35: Fragment of neural spine of anterior caudal vertebra 752542 55.

752542 37, 38: Fragment of neural spines.

752542 39: Fragment of a straight bone.

752542 41: Fragment of left ischium.

752542 43, 75: Ribs.

752542 44, 67: Fragmentary neural arches.

752542 45: Left ischium.

752542 46-48: Anterior cervical vertebrae.

752542 49-51: Posterior cervical vertebrae.

752542 52: Last dorsal and first sacral vertebrae.

752542 53, 56, 58: Posterior dorsal vertebrae.

752542 54-55, 59, 63: Anterior caudal vertebrae.

752542 57, 60: Middle caudal vertebra.

752542 61-62, 64: Anterior dorsal vertebrae.

752542 65: Middle dorsal vertebra.

752542 66: Posterior caudal vertebrae.

752542 68: Indeterminate bone.

752542 69: Neural spine.

752542 70: Fragment of neural arch and spine.

752542 71: Diaphysis of a right ischium.

752542 72: Obtrator process of a right ischium.

752542 76: Right femur.

752542 77: Left femur.

752542 78: Left tibia.

752542 79: Right ischium.

752542 80: Left metatarsal III.

752542 81: Left digit of proximal phalange III.

752542 82: Right phalange 2 of digit III.

752542 83: Right phalange 3 of digit III.

752542 84: Left phalange 2 of digit IV.

752542 85: Left ungual of digit IV.

752542 86: Left phalange 3 of digit IV.

752542 87: Left phalange 4 of digit IV.

752542 88: Fragment of phalange.

752542 89: Fragment of ungual phalange.

752542 90: Fragment of posterior part of pubis.

752542 91, 92, 94: Fragments of a long bones.

752542 93: Distal end of right ischium.

752542 95: Anterior part of a left pubis.

752542 96: Right fibula.

752542 97: Right tibia.

 

= Iguanodon cf. atherfieldensis NAISH & MARTILL, 2001a

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

Horizon: Wealden Group.

Biostratigraphy:

Age: Early Cretaceous.

Material:

NHMUK (old BMNH) R5331: 2 anterior caudal vertebrae with cheverons.

 

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 (old BMNH) R11521: 3 dorsal vertebrae with fragments of ossified tendons on the neural spines, partial sacrum and sacral rib, right ilium, right ischium, both femora, and right tibia and fibula in articulation.
Note: Middle neural spine is pathologic.

 

= Iguanodon cf. atherfieldensis NORMAN, 1987, NORMAN & HILPERT, 1987

Locality: Nehden, Brandenburg State, West Germany.

Horizon: Contemporary with the Weald Clay of the Wealden Formation.

Biostratigraphy:

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

Material:

GPI-80/S: Phalange? IV.

GPI-80/64: Proatlas.

GPI-80.74: Proatlas.

GPI-80.229: Humerus, ulna, and phalanges including the very distinctive pollex ungual.

GPI-A.8, GPI-S.155: Fragmentary dentaries.

GPI-A 15: Ulna.

GPI-A 16: Humerus.

GPI-A.36, B 213, 80/3: Sacral ribs.

GPI-A.71: Third cervical.

GPI-A.172: Sacral centra.

GPI- B.230, D.403, J.864: Right neural arch, axis centrum, and a crescent-shaped Intercentrum.

GPI-B 268: Metacarpal II.

GPI-C 140: Femur of an adult.

GPI-C 1729: Axis.

GPI-C 590: Fibula.

GPI-C.726: Dorsal vertebra.

GPI-C 739: Fragment of sternal.

GPI-C 756, D 360, D 594, K 911: Fragmentary ischia.

GPI-C 848: Femur of a juvenile.

GPI-D 326: Fibula.

GPI-D 371: Calcanium.

GPI-D 405: Tibia.

GPI-D.411: Left pubis.

GPI-D 463 : Atlas.

GPI-D.540: Feet.

GPI-E.790: Sacral neural arch.

GPI-E 795: Metacarpal II.

GPI-F 810 : Distal tibia fragment with astragalus.

GPI-J 864 : Atals.

GPI-K 914: Metacarpal IV.

GPI-S.31: Dorsal vertebra.

GPI-S 785 : Fragment of sternum.

Number: Not given: Several ilia, ischia, and pubes.

 

SANZ, BUSCALIONI, PEREZ MORENO, MORATALLA & GARCIA, 1992

Locality: Salas de los Infantes, Burgos Province, Spain.

Horizon:

Biostratigraphy:

Age: Early Cretaceous.

Material:

Number: Not given: Cervical centra.

 

SERRANO, VULLO, MARUGAN-LOBON, ORTEGA, & BUSCALIONI, 2013

Locality: Las Hoyas fossil site, La Cierva Township, 20 km east of Cuenca, in the Castellan Branch of the Iberian Range, Cuenca Province, Spain.

Horizon: Calizas de La Huerguina Formation.

Biostratigraphy:

Age: Upper Hauterivian Stage, Late Neocomian subepoch-Lower Barremian Stage, Early Gallic subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

MCCM-LH-30677: Tibia, fibula, tarsals, metatarsals, phalanges.
Note: Hoot-like claws on the unguals, and possible toe pads.

= Cetiosaurus brachyurus OWEN, 1842 (nomen dubium)
Etymology: Greek, brachys, "short", and ura, "tail."

Holotype:

Locality: Tetham, Sussex County, England, Southern United Kingdom.

Horizon: Wealden Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

NHMUK (old BMNH) 2109: Centrum and base of the neural arch of a vertebra apparently referable to the anterior part of the caudal region.

 

= Dollodon bampingi PAUL, 2008
Etymology: In honor of Mr. D. Bamping for his support of this research.
= Iguanodon atherfieldensis NORMAN, 1986

Holotype: IRSNB 1551

Locality: A deep underground mine called the Sainte-Barbe pit, near Bernissart, Belgium.

Horizon: Bernissartian.

Biostratigraphy:

Age: Hauterivian Stage, Upper Neocomian Subepoch- Lower Aptian Stage, Middle Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material: Skull and skeleton.

After Norman, 1986.

Referred material:

LYDEKKER, 1888

NHMUK (old BMNH) R1112: Cast of the left manus.

NHMUK (old BMNH) R1113: Cast of the left pes.

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