Name: Ornithopsis ‭(‬Bird-likeness‭)‬.
Phonetic: Or-nif-op-sis.
Named By: Harry Govier Seeley‭ ‬-‭ ‬1870.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ ‬Sauropoda,‭ ‬Titanosauriformes.
Species: O.‭ ‬hulkei‭ (‬type‭)‬,‭ ‬O.‭ ‬leedsi‭?
Diet: Herbivore.
Size: Uncertain.
Known locations: England.
Time period: Barremian of the Cretaceous.
Fossil representation: Based upon two dorsal‭ (‬back‭) ‬vertebrae.

       Ornithopsis was a genus of sauropod dinosaur that lived in England during the early Cretaceous.‭ ‬Named in‭ ‬1870‭ ‬by Harry Govier Seeley,‭ ‬and like many European dinosaurs,‭ ‬Ornithopsis ended up being something of a waste basket taxon,‭ ‬and as time has gone on,‭ ‬fossils attributed to Ornithopsis have ended up being re-assigned to other genera.‭ ‬In terms of taxonomic assignment,‭ ‬Ornithopsis has crossed paths with genera such as Cetiosaurus,‭ ‬Cetiosauriscus,‭ ‬Bothriospondylus,‭ ‬and Brachiosaurus,‭ ‬but the long and the short of it is that only the type species of Ornithopsis,‭ ‬O.‭ ‬hulkei is considered to possibly be valid,‭ ‬though since this genus is only known by two partially preserved vertebrae,‭ ‬it would be difficult to assign further remains to Ornithopsis.‭ ‬A second species named O.‭ ‬leedsi which is still sometimes credited along with the type species,‭ ‬may actually represent a different genus.

Further reading
-‭ ‬On Ornithopsis,‭ ‬a gigantic animal of the pterodactyle kind from the Wealden.‭ ‬-‭ ‬Annals and Magazine of Natural History,‭ ‬series‭ ‬4‭ ‬5:279-283‭ ‬-‭ ‬Harry Govier Seeley‭ ‬-‭ ‬1870.
-‭ ‬Monograph on the fossil Reptilia of the Wealden and Purbeck Formations.‭ ‬Supplement‭ ‬7.‭ ‬Crocodilia‭ (‬Poikilopleuron‭) ‬and Dinosauria‭? (‬Chondrosteosaurus‭)"‬,‭ ‬Palaeontographical Society Monographs‭ ‬30‭ ‬:‭ ‬1-7‭ ‬-‭ ‬Richard Owen‭ ‬-‭ ‬1876.
-‭ ‬Note‭ (‬3rd‭) ‬on‭ (‬Eucamerotus,‭ ‬Hulke‭) ‬Ornithopsis,‭ ‬H.‭ ‬G.‭ ‬Seeley,‭ = ‬Bothrospondylus magnus,‭ ‬Owen,‭ = ‬Chondrosteous magnus,‭ ‬Owen.‭ ‬-‭ ‬Quarterly Journal of the Geological Society‭ ‬35:‭ ‬752‭–‬762.‭ ‬-‭ ‬J.‭ ‬W.‭ ‬Hulke‭ ‬-‭ ‬1879.
-‭ ‬Note on the Os Pubis and Ischium of Ornithopsis eucamerotus.‭ ‬-‭ ‬Quarterly Journal of the Geological Society‭ ‬38:‭ ‬372‭–‬376.‭ ‬-‭ ‬J.‭ ‬W.‭ ‬Clarke‭ ‬-‭ ‬1882.
-‭ ‬Note on some Dinosaurian Remains in the Collection of A.‭ ‬Leeds,‭ ‬Esq.‭ ‬Part I.‭ ‬Ornithopsis leedsii,‭ ‬nov.‭ ‬sp,‭ ‬from the Kimmeridge Clay of Northamptonshire.‭ ‬-‭ ‬Geological Magazine‭ ‬4‭ (‬8‭)‬:‭ ‬375‭–‬376.‭ ‬-‭ ‬J.‭ ‬W.‭ ‬Hulke‭ ‬-‭ ‬1887.
-‭ ‬The Early Cretaceous brachiosaurid dinosaurs Ornithopsis and Eucamerotus from the Isle of Wight,‭ ‬England.‭ ‬-‭ ‬Palaeontology‭ ‬38‭ (‬1‭)‬:‭ ‬187‭–‬197.‭ ‬-‭ ‬W.‭ ‬T.‭ ‬Blows‭ ‬-‭ ‬1995.


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