Genus: Valdosaurus GALTON, 1977
Etymology: Latin, valdus “Weald”, and Greek, sauros, “lizard”: “Wealden lizard”.

Species: canaliculatus (GALTON, 1975) GALTON, 1977
Etymology: Latin, caniculatus, "a channel or conduit," with reference to the deep anterior intercondylar groove.
= Dryosaurus canaliculatus GALTON, 1975
= referred to Hypsilophodon foxi by LYDEKKER, 1888

Holotype: NHUMK (old BMNH) R185

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

Horizon: Hypsilophodon bed, Upper Wealden Formation.

Biostratigraphy:

Age: Berriasian Stage, Lower Neocomian Subepoch- Berremian Stage, Lower Gallic Subepoch, Lower Early Cretceous Epoch, Early Cretaceous.

Material: Left femur.

Referred material:

NHUMK (old BMNH) R184: Right femur.

NHUMK (old BMNH) 28697: Distal end of left femur.

NHUMK (old BMNH) R186: A small left tibia associated with BMNH R184-5.

NHUMK (old BMNH) R12240: Distal ends of two femora (previously catalogued BMNH R8420, R8421, and by LYDEKKER, 1888, Under BMNH R170 as Iguanodon).

 


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

Horizon: Upper Wealden Formation, (Blue Clay).

Biostratigraphy:

Age: Early Cretaceous.

Material:

NHUMK (old BMNH) 2459: Proximal parts of a large pair of femora.

 


Locality: Bone Bed between high and low water, Chilton Chine, Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Upper Wealden Group.

Biostratigraphy:

Age: Early Cretaceous.

Material:

NHUMK (old BMNH) R8670: Distal end of femur.

NHUMK (old BMNH) 2183: Partial left ischium.

 

BARRETT, 2016

Locality: In a plant debris bed (sensu Sweetman & Insole, 2010) cropping out from a cliff on a National Trust owned property, Crompton Bay, southwest coast of Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation.

Biostratigraphy:

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

Material:

IWCMS 2013.175: Partial postcranium of the hindquarters.

 

BARRETT, BUTLER, TWITCHETT & HUTT, 2011

Locality: Probably Plant Debris Bed L6, Chilton Chine, southwest coast of Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Upper Wealden Group.

Biostratigraphy:

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

Material:

IWCMS 2007 4: Almost complete left hindlimb and an ?associated partial right scapula and coracoid.

 

 

 

BLOWS, 1998, GALTON, 2009

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

Horizon: Wessex Formation, Upper Wealden Group.

Biostratigraphy:

Age: Early Cretaceous.

Material:

NHM R13003: Distal right femur.

GALTON, 1975

NHM 28697, NHM R8421 (ex NHM R170): Distal femur.

 

Locality: From a plant debris bed approximately 200 m east of brook Chine, southwest coast of the Isle of Wight County, England, Southern United Kingdom.

Horizon: Wessex Formation, Upper Wealden Group.

Biostratigraphy:

Age: Early Cretaceous.

Material:

BELUM K17051: Incomplete vertebral column, a partial right pubis and nearly complete right hindlimb, with numerous associated fragments.

 

= Hypsilophodontid GALTON, 1975

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

Horizon: Wesex Formation, Wealden Group.

Biostratigraphy:

Age: Early Cretaceous.

Material:

NHUMK (old BMNH) R8669: Section of femoral shaft.

 


GALTON & TAQUET, 1982

Locality: Sussex County, England, Southern United Kingdom.

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

Biostratigraphy:

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

Material:

MNHN 9609: Right femur.

MNHN 9643: Right ilium.

Note: May belong to a new genus? PEREDA-SUBERBIOLA, 1993

 

 


GALTON & TAQUET, 1982/JURCSAK & POPA, 1979

Locality: Cornet, Muntii Padurea Craiuli, Romania.

Horizon: Bauxite deposits, equivalent uppermost Wealden Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

Number: Not given: Several small bones.

 


NAISH & MARTILL, 2001a

Locality: Plant Debris Bed L6, between Chilton Chine and Sudmoor Point, Isle of Wight, 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 6438: Pedal phalanx, distal end of metatarsal and phalange.

IWCMS (MIWG) 6879: Right femur, partial pes.

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