Gateway to the Paleobiology Database
Mantellisaurus atherfieldensis Hooley 1925 (iguanodontid)

Reptilia - Neornithischia - Iguanodontidae

PaleoDB taxon number: 104635

Alternative combination: Iguanodon atherfieldensis

Synonyms: Dollodon bampingi Paul 2008 (no. 167049), Heterosaurus neocomiensis Cornuel 1850 (no. 67731), Iguanodon gracilis Lydekker 1888 (no. 77019), Mantellodon carpenteri Paul 2012 (no. 290635), Sphenospondylus gracilis Lydekker 1888 (no. 66723), Vectisaurus valdensis Hulke 1879 (no. 53040)

Full reference: R. W. Hooley. 1925. On the skeleton of Iguanodon atherfieldensis sp. nov., from the Wealden Shales of Atherfield (Isle of Wight). Quarterly Journal of the Geological Society, London 81(1):1-61

Belongs to Mantellisaurus according to D. B. Norman 2014

Sister taxa: none

Type specimens:

  • Mantellisaurus atherfieldensis: BMNH R5764, a skull (femur). Its type locality is cliff fall near Atherfield (BMNH), which is in a Hauterivian/Aptian terrestrial shale in the United Kingdom.
  • Dollodon bampingi: IRSNB 1551, a skeleton. Its type locality is Sainte-Barbe coal mine, Bernissart, which is in a Barremian/Aptian lacustrine - small claystone/bituminous coal in the Sainte-Barbe Clays Formation of Belgium.
  • Heterosaurus neocomiensis: Its type locality is Wassy quarry, which is in a Hauterivian shallow subtidal limestone in the Calcaires Spatangues Formation of France.
  • Mantellodon carpenteri: NHMUK OR3471, a partial skeleton. Its type locality is Rockhill Quarry, Maidstone Iguanodon, which is in an Aptian marine limestone in the Hythe Formation of the United Kingdom.
  • Sphenospondylus gracilis: BMNH R.142.
  • Vectisaurus valdensis: BMNH R.2494-R.2499. Its type locality is cliff foot east of Brighstone (BMNH), which is in a Hauterivian/Barremian terrestrial claystone in the Wessex Formation of the United Kingdom.

Ecology: ground dwelling herbivore

Average measurements (in mm): coracoid 1200.0 x 164.9, femur 717.8 x 107.0, humerus 435.0 x 50.0, radius length 345.0, scapula 605.0 x 87.5, skull length 540.0, tibia 684.5 x 75.0

Estimated body mass: 768.5 kg based on femur length