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.