Genus: Hypselospinus NORMAN, 2010
Etymology: Greek, hypselos, "high/tall," and Latin, spina, "backbone"; in
reference to the singularly slender and elongate neural spines found on the
dorsal, sacral, and caudal vertebrae.
= Darwinsaurus PAUL, 2011
Etymology: In recognation of Darwin's theory, whith the diverse iguandonts standing
as an example of complex evoution via rapid speciation, And Greek, sauros, "lizard."
= Wadhurstia CARPENTER & ISHIDA,
2010
Etymology: In reference to the Wadhurst Clay, Hastings Beds Group.
Species: fittoni (LYDEKKER, 1889) NORMAN, 2010
= Iguanodon fittoni LYDEKER, 1889
Etymology: In honor of William Henery Fitton (1780-1861).
= Wadhurstia fittoni (LYDEKKER,
1889) CARPENTER & ISHIDA, 2010
= Huxleysaurus fittoni (LYDEKKER, 1889) PAUL, 2011
Holotype: NHMUK (BMNH) R1635
Locality: Shorden Quarry in the Village of Shornden, near Hastings, East Sussex County, England, Southern United Kingdom.
Horizon: Wadhurst Clay Formation, Hastings sub-group, Lower Wealden Group.
Biostratigraphy:
Age: Lower Valanginian Stage, Middle Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material: Left ilium
NHMUK (BMNH) R1635a: Fragmentary pubis.
NHMUK (BMNH) R1635b: Fragmentary sacrum.
NHMUK (BMNH) R1635c: Caudal centrum.
NHMUK (BMNH) R1635d: Fragmentary upper teeth.
Referred material:
BENTON & SPENCER, 1995
Locality: Hare Farm Lane, Brede, (TQ 83141844), East Sussex County, England, Southern United Kingdom.
Horizon: Basal Wadhurst Clay, Lower Wealden Formation.
Biostratigraphy:
Age: Lower Valanginian Stage, Middle Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material:
NHMUK (BMNH) R1627: A partial pelvis, several dorsal and caudal vertebrae, a partial hind limb and other elements.
LYDEKKER, 1890
Locality: Hastings, East Sussex County, England, Southern United Kingdom.
Horizon: Wadhurst Clay, Lower Wealden Formation.
Biostratigraphy:
Age: Lower Valanginian Stage, Middle Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material:
NHUMK (old BMNH): Right ilium, pubis, left femur, and several more or less imperfect vertebrae.
= Darwinsaurus evolutionis PAUL, 2011
Etymology: In recognation of Darwin's theory, whith the diverse iguandonts standing as an example of complex evoution via rapid speciation.Holotype: NHMUK R1831/1833/1835/1836
Locality: Shorden Quarry in the Village of Shornden, near Hastings, East Sussex County, England, Southern United Kingdom.
Horizon: Wadhurst Clay Formation, Hastings sub-group, Lower Wealden Group.
Biostratigraphy:
Age: Lower Valanginian Stage, Middle Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material: Fragmentary skull and fragmentary skeleton.
Breakdonw as follows.
NHMUK R 1831 (1832) Right radius, Ulna, pollex and partial carpus.
NHMUK R 1831 (1833): Pedal unguals, pubis,
NHMUK R 1831 (1835): Sternal apparatus.
NHMUK R 1836: A partial skeleton.
Note: NORMAN, 2014 referrs this speicmen to Mantellisaurus atherfieldensis.