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[[Berriasian]]-[[Valaginian]]
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[[Obernkircken Sandstein]]
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[[Robert Broom]]
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Late [[Permian]]
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[[''Dicynodon'' assemblage zone]]
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A [burnetiid]] [[biarmosuchian]].
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''[[Dinophoneus]]''
''[[Dinophoneus]]''
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[[Junior synonym]]
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[[Robert Broom]]
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Middle [[Permian]]
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[[''Tapinocephalus'' assemblage zone]]
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A [[titanosuchian]]. Junior synonym of [[Jonkeria]].
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Revision as of 18:07, 21 February 2014

List of years in paleontology (table)
In science
1920
1921
1922
1923
1924
1925
1926
+...

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 1923.

Dinosaurs

Newly named dinosaurs

Data courtesy of George Olshevsky's dinosaur genera list[2] and Dr. Jeremy Montague's dinosaur genus database.[3]

Name Status Authors Age Unit Location Notes Images
Altispinax[4]

Nomen dubium.

Berriasian-Valanginian

Obernkirchen Sandstein

 Germany

An indeterminate theropod. New genus for "Megalosaurus" dunkeri Dames 1884.

Lambeosaurus[5] Valid taxon
  • Parks

middle-late Campanian

Dinosaur Park Formation

 Canada

A lambeosaurine hadrosaurid.

Lametasaurus[6]

Nomen dubium.

  • Matley

late Maastrichtian

Lameta Formation

 India

A composite of abelisaurid and titanosaur remains.

Pentaceratops[7] Valid taxon

late Campanian

Kirtland Formation
Fruitland Formation

 United States

A chasmosaurine ceratopsid.

"Protiguanodon"[8] Junior synonym of Psittacosaurus.

Barremian

Öösh Formation

 Mongolia

A junior synonym of the psittacosaurid ceratopsian Psittacosaurus.

Protoceratops[9] Valid taxon
  • Granger
  • Gregory

middle-late Campanian

Djadochta Formation

 Mongolia

A protoceratopsid ceratopsian.

"Protrachodon"[10] Nomen nudum. Junior synonym of Orthomerus.
  • Nopcsa
Psittacosaurus[11] Valid taxon

Barremian

Öösh Formation

 Mongolia

A psittacosaurid ceratopsian.

Thecocoelurus[4]

Nomen dubium.

Barremian

Wessex Formation

 England

An indeterminate ?abelisauroid. New genus for "Thecospondylus" daviesi Seeley, 1888.

Pterosaurs

New taxa

Name Status Authors Age Unit Location Notes

Anurognathus

Valid

Döderlein

Tithonian

Solnhofen Limestone

 Germany

An anurognathid.

Synapsids

Non-mammalian

Name Status Authors Age Unit Location Notes Images

Burnetia

Valid

Robert Broom

Late Permian

''Dicynodon'' assemblage zone

 South Africa

A [burnetiid]] biarmosuchian.

Dinophoneus

Junior synonym

Robert Broom

Middle Permian

''Tapinocephalus'' assemblage zone

 South Africa

A titanosuchian. Junior synonym of Jonkeria.

References

  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". Retrieved 2008-08-07.
  3. ^ Montague, Jeremy. "Dr. Montague's Database" (PDF). Retrieved 2008-10-29.
  4. ^ a b Huene, F. von. 1923. Carnivorous Saurischia in Europe since the Triassic. Bull. Geol. Soc. America 34: pp. 449-458.
  5. ^ Parks, W.A. 1923. Corythosaurus intermedius, a new species of trachodont dinosaur. Univ. Toronto Stud. (Geol. Ser.) 13: pp. 1-32.
  6. ^ Matley, C.A. 1923. Note on an armoured dinosaur from the Lameta beds of Jubbulpore. Rec. Geol. Survey India 55 (2): pp. 105-109.
  7. ^ Osborn, H.F. 1923. A new genus and species of Ceratopsia from New Mexico, Pentaceratoos stennbergii. Amer. Mus. Novitates 93: pp. 1-3.
  8. ^ Osborn, H.F. 1924. Psittacosaurus and Protiguanodon: two Lower Cretaceous ignanodonts from Mongolia. Amer. Mus. Novitates 127: pp. 1-16.
  9. ^ Granger, W. and W.K. Gregory. 1923 Protoceratops andrewsi, a preceratopian dinosaur from Mongolia. Amer. Museum Novitates 42: pp. 1-9.
  10. ^ Nopcsa, F. 1923. Die Familien der Reptilien. Fortschr. Geol. Palaeontol. 2: pp. 1-210.
  11. ^ Osborn, H.F. 1923. Two Lower Cretaceous dinosaurs from Mongolia. Amer. Mus. Novitates 95: pp. 1-10.
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