1933 in paleontology

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Paleontology, palaeontology or [palæontology (from Greek: paleo, "ancient"; ontos, "being"; and logos, "knowledge") 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 mankind has 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 1933.

Arthropods

Newly named insects

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Electrostephanus brevicornis[2]	Sp nov	valid	Brues	Lutetian	Baltic Amber	Europe	A stephanid wasp
Electrostephanus petiolatus[2]	Sp nov	valid	Brues	Lutetian	Baltic Amber	Europe	A stephanid wasp, Electrostephanus type species	Electrostephanus petiolatus
Electrostephanus tridentatus[2]	Sp nov	jr synonym	Brues	Lutetian	Baltic Amber	Europe	A stephanid wasp, now Denaeostephanus tridentatus

Archosauromorphs

• Barnum Brown prospected the Two Medicine Formation, but found nothing significant.^[3]
• Lull published a mongraph wherein he discusses AMNH 5244, a ceratopsian braincase.^[4]

Newly named dinosaurs

Data courtesy of George Olshevsky's dinosaur genera list.^[5]

Name	Status	Authors		Age	Unit	Location	Notes	Images
Alectrosaurus[6]	Valid taxon	Charles W. Gilmore		late Campanian-early Maastrichtian	Iren Dabasu Formation	China	A tyrannosauroid.	Alectrosaurus Bactrosaurus Pinacosaurus
Austrosaurus[7]	Valid taxon	Heber Albert Longman		late Albian-early Cenomanian	Allaru Formation	Australia	A titanosauriform.
Bactrosaurus[6]	Valid taxon	Charles W. Gilmore		late Campanian-early Maastrichtian	Iren Dabasu Formation	China	A hadrosauroid.
Coeluroides[8]	Nomen dubium	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	A noasaurid.
Compsosuchus[8]	Valid taxon	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	A noasaurid.
Dryptosauroides[8]	Nomen dubium	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	A noasaurid.
Indosaurus[8]	Valid taxon	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	An abelisaurid.
Indosuchus[8]	Valid taxon	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	An abelisaurid.
Jubbulpuria[8]	Nomen dubium	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	An noasaurid.
Laevisuchus[8]	Nomen dubium	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	An noasaurid.
Mongolosaurus[9]	Nomen dubium	Charles W. Gilmore		Lower Cretaceous (Aptian-Albian)	On Gong Formation	China	A titanosaur.
Ornithomimoides[8]	Nomen dubium	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	An noasaurid.
Pinacosaurus[9]	Valid taxon	Charles W. Gilmore		middle-late Campanian	Djadochta Formation	Mongolia	An ankylosaurid.

Synapsids

Non-mammalian

Name	Status	Authors	Discovery year	Age	Unit	Location	Notes	Images
Mucrotherium	Valid
Uniserium	Valid

Footnotes

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. Engel, M.S.; Ortega-Blanco, J. (2008). "The fossil crown wasp Electrostephanus petiolatus Brues in Baltic Amber (Hymenoptera, Stephanidae): designation of a neotype, revised classification, and a key to amber Stephanidae". ZooKeys 4: 55–64. doi:10.3897/zookeys.4.49.
3. "Previous Work," Trexler (2001); page 300.
4. "Introduction," Makovicky (2001); page 244.
5. Olshevsky, George. "Dinogeorge's Dinosaur Genera List". Retrieved 2008-08-07.
6. Gilmore, C.W. 1933. On the dinosaurian fauna of the Iren Dabasu Formation. Bull. Amer. Mus. Nat. Hist. 67: PP. 23-78.
7. Longman, H.A. 1933. A new dinosaur from the Queensland Cretaceous. Mem. Queensland Mus. 10: pp. 131-144.
8. Huene, F. von, and C.A. Matley. 1933. The Cretaceous saurischia and ornithischia of the Central Provinces of India. Mem. Geol. Survey India Pabeontol. Indica 21: pp. 1-72.
9. Gilmore, C.W. 1933. Two new dinosaurian reptiles from Mongolia with notes on some fragmentary specimens. Amer. Mus. Novitates 679: pp. 1-20

References

• Makovicky, P. J., 2001, A Montanoceratops cerorhynchus (Dinosauria: Ceratopsia) braincase from the Horseshoe Canyon Formation of Alberta: In: Mesozoic Vertebrate Life, edited by Tanke, D. H., and Carpenter, K., Indiana University Press, pp. 243–262.
• Trexler, D., 2001, Two Medicine Formation, Montana: geology and fauna: In: Mesozoic Vertebrate Life, edited by Tanke, D. H., and Carpenter, K., Indiana University Press, pp. 298–309.