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1874 in paleontology

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Dinosaurs

Richard Owen publishes a monograph on Wealden and Purbeck reptiles, classifying Scelidosaurus, Iguanodon and Echinodon in the new dinosaur clade Prionodontia.

New taxa

Taxon	Novelty	Status	Author(s)	Age	Unit	Location	Notes	Images
Agathaumas milo	Sp. nov.	Nomen dubium	Cope	Maastrichtian	Laramie Formation	Colorado	Described as a synonym of Hadrosaurus occidentalis
last=Cope	first=E.F.	year=1874	title=Report on the stratigraphy and Pliocene vertebrate paleontology of northern Colorado	journal=Bulletin of the United States Geological and Geographical Survey of the Territories	volume=1	issue=1	pages=9-22}}	Gen. et sp. nov.	Nomen dubium	Cope	Maastrichtian	Laramie Formation	Colorado	A hadrosaurid. Misspelled as Cinodon in original publication due to proofreader
Craterosaurus	Gen. et sp. nov.	Nomen dubium	Seeley	Aptian	Potton Sands	England	A dubious stegosaur
last=Cope	first=E.F.	year=1874	title=Review of the Vertebrata of the Cretaceous Period found west of the Mississippi River	journal=Bulletin of the United States Geological and Geographical Survey of the Territories	series=First Series	volume=2	pages=3-48}}	Comb. nov.	Nomen dubium	Cope	Campanian	Judith River Formation	Montana	A new combination for Trachodon mirabilis
Hadrosaurus occidentalis	Comb. nov.	Nomen dubium	Cope	Maastrichtian	Lance Formation	Wyoming	A new combination for Thespesius occidentalis
Ischyrosaurus manseli	Gen. nov.	Preoccupied	Hulke	Kimmeridgian	Kimmeridge Clay Formation	England	Preoccupied by Edward Drinker Cope, 1869. Later named Ornithopsis manseli
Morinosaurus	Gen. et sp. nov	Nomen dubium	Sauvage	Kimmeridgian	Boulogne-sur-Mer	France	A dubious sauropod
Polyonax	Gen. et sp. nov.	Nomen dubium	Cope	Maastrichtian	Laramie Formation	Colorado	A ceratopsid

Ichthyosaurs

New taxa

Name	Status	Authors	Age	Unit	Location	Notes	Images

Plesiosaurs

New taxa

Name	Status	Authors	Age	Unit	Location	Notes	Images

Pterosaurs

Newly named pterosaurs

Name	Status	Authors	Age	Unit	Location	Notes	Images

Squamates

Newly named mosasaurs

Name	Status	Authors	Age	Unit	Location	Notes	Images
Taniwhasaurus	Valid	Hector	Late Campanian	Conway Formation

References

Owen, R.. (1874). "Monograph on the Fossil Reptilia of the Wealden and Purbeck Formations. Supplement No. V. Dinosauria (''Iguanodon'')". Palaeontographical Society.
Cope, E.F.. (1874). "Report on the stratigraphy and Pliocene vertebrate paleontology of northern Colorado". Bulletin of the United States Geological and Geographical Survey of the Territories.
Cope, E.F.. (1874). "Review of the Vertebrata of the Cretaceous Period found west of the Mississippi River". Bulletin of the United States Geological and Geographical Survey of the Territories.

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