Dinosaurs Newly named dinosaurs Data courtesy of George Olshevsky's dinosaur genera list.
Name Novelty Status Authors Age Unit Location Notes Images AlgoasaurusBroom, R. 1904. On the occurrence of an opisthocoelian dinosaur (Algoasaurus bauri) in the Cretaceous beds of South Africa. Geol. Mag., ser. 5 (1): 445-447.Gen et sp nov Nomen dubium.BroomLate Jurassic-Early CretaceousKirkwood Formation now considered an indeterminate sauropodCentrosaurusLambe, L. M. 1904. On the squamoso-parietal crest of two species of horned dinosaurs from the Cretaceous of Alberta. Ottawa Nat. 18: pp. 81-84.gen et sp novValid LambeLate CretaceousDinosaur Park Formation ()Type species: Centrosaurus apertus
Plesiosaurs Plesiosaur gastroliths documented.Brown (1904). Williston (1904). Sanders, Manley, and Carpenter (2001), "Table 12.1" page 167.
Synapsids Non-mammalian
Name Novelty Status Authors Age Unit Location Notes ImagesGlanosuchusGen et sp novValidBroomMiddle PermianMiddle Abrahamskraal Formation A member of Scylacosauridae.PlaceriasGen et sp novValidLucasLate Triassic (Carnian)Chinle Formation ( and )A member of Stahleckeriidae.ProdicynodonGen et sp nov ValidBroomLate PermianScapanodonGen et sp novJunior synonymBroomMiddle PermianA junior synonym of Titanosuchus.
Metatherians NameAuthorsAgeLocationNotesImagesArgyrolagusAmeghino4 Millions years ago A Distante relative of the Shrew Opossum
Eutherians Cetaceans Name Novelty Status Authors Age Unit Location Notes ImagesEocetusE. Fraas. 1904. Neue Zeuglodonten aus dem unteren Mitteleozän von Mokattam bei Cairo. Geologisches Centralblatt 5(1048):374Nom. nov.ValidFraasMiddle Eocene (Bartonian)Giushi Formation
A protocetid. Replacement name for Mesocetus Fraas, 1904 (non van Beneden, 1880).MesocetusGen. et. sp. nov FraasMiddle Eocene (Bartonian) ProtocetusFraas, Eberhard (1904). "Neue Zeuglodonten aus dem unteren Mitteleocän vom Mokattam bei Cairo". Geologische und Paläontologische Abhandlungen (Jena: Verlag Gustav Fischer) 6 (3): 199–220. Retrieved July 2013.Gen. et sp. nov.ValidFraasMiddle Eocene (Lutetian)Mokattam Formation A protocetid.
Even-toed Ungulates NameStatusAuthorsAgeLocationNotesImagesProsthennopsValidMatthew10 Millions of years ago
(, , , , , , , , , and )An Extinct Tayassuid.
References
Brown, B. (1904) Stomach stones and food of plesiosaurs, Science, n.s. 20, (501): 184–185 Sanders F, Manley K, Carpenter K. Gastroliths from the Lower Cretaceous sauropod Cedarosaurus weiskopfae. In: Tanke D.H, Carpenter K, editors. Mesozoic vertebrate life: new research inspired by the paleontology of Philip J. Currie. Indiana University Press; Bloomington, IN: 2001. pp. 166–180. Williston, Samuel Wendel; 1904; The stomach stones of the plesiosaurs; Science; 20 pp. 565; American Association for the Advancement of Science