1904 in paleontology

Paleontology or palaeontology is the study of prehistoric life forms on Earth through the examination of plant and animal fossils.^[1] This includes the study of body fossils, tracks (ichnites), burrows, cast-off parts, fossilised feces (coprolites), palynomorphs and chemical residues. Because humans have encountered fossils for millennia, paleontology has a long history both before and after becoming formalized as a science. This article records significant discoveries and events related to paleontology that occurred or were published in the year 1904.

List of years in paleontology (table)
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In science 1901 1902 1903 1904 1905 1906 1907
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Dinosaurs

Newly named dinosaurs

Data courtesy of George Olshevsky's dinosaur genera list.^[2]

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Algoasaurus[3]	Gen et sp nov	Nomen dubium.	Broom	Late Jurassic-Early Cretaceous	Kirkwood Formation	South Africa	now considered an indeterminate sauropod	Algoasaurus
Centrosaurus[4]	gen et sp nov	Valid	Lambe	Late Cretaceous	Dinosaur Park Formation	Canada ( Alberta)	Type species: Centrosaurus apertus	Centrosaurus

Plesiosaurs

• Plesiosaur gastroliths documented.^[5]

Synapsids

Non-mammalian

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Glanosuchus	Gen et sp nov	Valid	Broom	Middle Permian	Middle Abrahamskraal Formation	South Africa	A member of Scylacosauridae.	Glanosuchus
Placerias	Gen et sp nov	Valid	Lucas	Late Triassic (Carnian)	Chinle Formation	USA ( Arizona and  North Carolina)	A member of Stahleckeriidae.	Placerias
Prodicynodon	Gen et sp nov	Valid	Broom	Late Permian
Scapanodon	Gen et sp nov	Junior synonym	Broom	Middle Permian			A junior synonym of Titanosuchus.

Metatherians

Name	Authors	Age	Location	Notes	Images
Argyrolagus	Ameghino	4 Millions years ago	Argentina	A Distante relative of the Shrew Opossum

Eutherians

Cetaceans

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Eocetus[6]	Nom. nov.	Valid	Fraas	Middle Eocene (Bartonian)	Giushi Formation	Egypt  Morocco	A protocetid. Replacement name for Mesocetus Fraas, 1904 (non van Beneden, 1880).
Mesocetus[7]	Gen. et. sp. nov		Fraas	Middle Eocene (Bartonian)
Protocetus[7]	Gen. et sp. nov.	Valid	Fraas	Middle Eocene (Lutetian)	Mokattam Formation	Egypt	A protocetid.

Even-toed Ungulates

Name	Status	Authors	Age	Location	Notes	Images
Prosthennops	Valid	Matthew	10 Millions of years ago	Honduras  Mexico  USA ( Alabama,  Florida,  Kansas,  Maryland,  Nebraska,  Nevada,  Oregon,  South Dakota,  Texas,  Virginia and  Washington)	An Extinct Tayassuid.

References

• Paleontology portal

1. Gini-Newman, Garfield; Graham, Elizabeth (2001). Echoes from the past: world history to the 16th century. Toronto: McGraw-Hill Ryerson Ltd. ISBN 9780070887398. OCLC 46769716.
2. Olshevsky, George. "Dinogeorge's Dinosaur Genera List". Archived from the original on 2011-07-15. Retrieved 2008-08-07.
3. Broom, 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.
4. Lambe, 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.
5. Brown (1904). Williston (1904). Sanders, Manley, and Carpenter (2001), "Table 12.1" page 167.
6. E. Fraas. 1904. Neue Zeuglodonten aus dem unteren Mitteleozän von Mokattam bei Cairo. Geologisches Centralblatt 5(1048):374
7. Fraas, 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.

• 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