1933 in paleontology

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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 1933.

Plants

Angiosperms

Name	Novelty	Status	Authors	Age	Unit	Location	Notes
lodes multireticiilata[2]	Sp nov	valid	Reid & Chandler	Ypresian	London Clay	UK England	An icacinaceous species.
Langtonia[2]	Gen et sp nov	valid	Reid & Chandler	Ypresian	London Clay	UK England	A tupelo relative, type species L. bisulcata.
Palaeophytocrene[2]	Gen et sp nov	valid	Reid & Chandler	Ypresian	London Clay	UK England	An icacinaceous relative. Type species P. foveolata
Tinomiscoidea[2]	Gen et sp nov	valid	Reid & Chandler	Ypresian	London Clay	UK England	A moon seed relative. Type species T. scaphiformis

Arthropods

Newly named insects

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Electrostephanus brevicornis[3]	Sp nov	valid	Brues	Lutetian	Baltic Amber	Russia	A stephanid wasp
Electrostephanus petiolatus[3]	Sp nov	valid	Brues	Lutetian	Baltic Amber	Russia	A stephanid wasp, Electrostephanus type species	Electrostephanus petiolatus
Electrostephanus tridentatus[3]	Sp nov	jr synonym	Brues	Lutetian	Baltic Amber		A stephanid wasp, now Denaeostephanus tridentatus

Conodonts

Newly named conodonts

Name	Novelty	Status	Authors	Age	Unit	Location
Wurmiella excavata	Sp nov	valid	Mehl and Branson	420 Millions of years ago		USA Nevada
Idiognathoides[4]	Gen nov	valid	Harris and Hollingsworth	Pennsylvanian	Oklahoma	China Mexico USA ( Kentucky and Wyoming)
Cavusgnathus[4]	Gen nov	valid	Harris and Hollingsworth	Pennsylvanian	Oklahoma	China Mexico Russia UK USA ( Alabama, Arkansas, Missouri, Montana, Nevada, Pennsylvania, Utah and Wyoming)

Archosauromorphs

Barnum Brown prospected the Two Medicine Formation, but found nothing significant.[5]
Lull published a monograph where he discusses AMNH 5244, a ceratopsian braincase.[6]

Newly named dinosaurs

Data courtesy of George Olshevsky's dinosaur genera list.[7]

Name	Status	Authors		Age	Unit	Location	Notes	Images
Alectrosaurus[8]	Valid taxon	Charles W. Gilmore		late Campanian-early Maastrichtian	Iren Dabasu Formation	Mongolia	A tyrannosauroid.	Alectrosaurus
Austrosaurus[9]	Valid taxon	Heber Albert Longman		late Albian-early Cenomanian	Allaru Formation	Australia	A titanosauriform.
Bactrosaurus[8]	Valid taxon	Charles W. Gilmore		late Campanian-early Maastrichtian	Iren Dabasu Formation	China	A hadrosauroid.	Bactrosaurus
Coeluroides[10]	Nomen dubium	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	An Abelisaur.
Compsosuchus[10]	Valid taxon	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	A noasaurid.
Dryptosauroides[10]	Nomen dubium	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	A noasaurid.
Indosaurus[10]	Valid taxon	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	An abelisaurid.
Indosuchus[10]	Valid taxon	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	An abelisaurid.
Jubbulpuria[10]	Nomen dubium	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	A noasaurid.
Laevisuchus[10]	Nomen dubium	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	A noasaurid.
Mongolosaurus[11]	Nomen dubium	Charles W. Gilmore		Lower Cretaceous (Aptian-Albian)	On Gong Formation	China	A titanosaur.
Ornithomimoides[10]	Nomen dubium	Friedrich von Huene	Charles Alfred Matley	late Maastrichtian	Lameta Formation	India	A noasaurid.
Pinacosaurus[11]	Valid taxon	Charles W. Gilmore		middle-late Campanian	Djadochta Formation	China Mongolia	An ankylosaurid.	Pinacosaurus

Synapsids

Non-mammalian

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

Footnotes

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.
Manchester, S.R. (1994). "Fruits and Seeds of the Middle Eocene Nut Beds Flora, Clarno Formation, Oregon". Palaeontographica Americana. 58: 30–31.
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.
New Pennsylvanian conodonts from Oklahoma. RW Harris and RV Hollingsworth, American Journal of Science, March 1933, series 5, volume 25, no. 147, pages 193-204, doi:10.2475/ajs.s5-25.147.193
"Previous Work," Trexler (2001); page 300.
"Introduction," Makovicky (2001); page 244.
Olshevsky, George. "Dinogeorge's Dinosaur Genera List". Retrieved 2008-08-07.
Gilmore, C.W. 1933. On the dinosaurian fauna of the Iren Dabasu Formation. Bull. Amer. Mus. Nat. Hist. 67: PP. 23-78.
Longman, H.A. 1933. A new dinosaur from the Queensland Cretaceous. Mem. Queensland Mus. 10: pp. 131-144.
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.
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.

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[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.

[Manchester1994-2] Manchester, S.R. (1994). "Fruits and Seeds of the Middle Eocene Nut Beds Flora, Clarno Formation, Oregon". Palaeontographica Americana. 58: 30–31.

[Engel2008-3] 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.

[HarrisHollingsworth-4] New Pennsylvanian conodonts from Oklahoma. RW Harris and RV Hollingsworth, American Journal of Science, March 1933, series 5, volume 25, no. 147, pages 193-204, doi:10.2475/ajs.s5-25.147.193

[twoturn-previous-300-5] "Previous Work," Trexler (2001); page 300.

[mcer-brain-intro-244-6] "Introduction," Makovicky (2001); page 244.

[ddinogeorge-7] Olshevsky, George. "Dinogeorge's Dinosaur Genera List". Retrieved 2008-08-07.

[gilmore33debasu-8] Gilmore, C.W. 1933. On the dinosaurian fauna of the Iren Dabasu Formation. Bull. Amer. Mus. Nat. Hist. 67: PP. 23-78.

[9] Longman, H.A. 1933. A new dinosaur from the Queensland Cretaceous. Mem. Queensland Mus. 10: pp. 131-144.

[huene33india-10] 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.

[gilmore33twonew-11] Gilmore, C.W. 1933. Two new dinosaurian reptiles from Mongolia with notes on some fragmentary specimens. Amer. Mus. Novitates 679: pp. 1-20