1933 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 1933.

Plants

Angiosperms

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
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 crustaceans

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Anthracocaris [3]	Gen et comb nov	valid	Calman	Early Carboniferous		Scotland	A tanaid, type species is A. scotica (originally named as a species of Palaeocaris in 1882)

Newly named insects

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Electrostephanus brevicornis [4]	Sp nov	valid	Brues	Lutetian	Baltic Amber	Russia	A stephanid wasp
Electrostephanus petiolatus [4]	Sp nov	valid	Brues	Lutetian	Baltic Amber	Russia	A stephanid wasp, Electrostephanus type species	Electrostephanus petiolatus
Electrostephanus tridentatus [4]	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	Notes	Images
Wurmiella excavata	Sp nov	valid	Mehl and Branson	420 Millions of years ago		USA Nevada
Idiognathoides [5]	Gen nov	valid	Harris and Hollingsworth	Pennsylvanian	Oklahoma	China Mexico USA ( Kentucky and Wyoming)
Cavusgnathus [5]	Gen nov	valid	Harris and Hollingsworth	Pennsylvanian	Oklahoma	China Mexico Russia UK USA ( Alabama, Arkansas, Missouri, Montana, Nevada, Pennsylvania, Utah and Wyoming)

Dinosaurs

• Barnum Brown prospected the Two Medicine Formation, but found nothing significant. ^[6]
• Lull published a monograph where he discusses AMNH 5244, a ceratopsian braincase. ^[7]

New taxa

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Alectrosaurus olseni [8]	Gen. et sp. nov.	Valid taxon	Gilmore	Santonian	Iren Dabasu Formation	Mongolia	A tyrannosauroid
Antarctosaurus septentrionalis [9]	Sp. nov.	Valid	Huene & Matley	Maastrichtian	Lameta Formation	India	A species of Antarctosaurus now Jainosaurus septentrionalis
Austrosaurus mckillopi [10]	Gen. et sp. nov.	Valid	Longman	Albian	Allaru Formation	Australia	A titanosauriform
Bactrosaurus johnsoni [8]	Gen. et sp. nov.	Valid	Gilmore	Santonian	Iren Dabasu Formation	China	A hadrosauroid
Coeluroides largus [9]	Gen. et sp. nov.	Nomen dubium	Huene & Matley	Maastrichtian	Lameta Formation	India	An abelisaur
Compsosuchus solus [9]	Gen. et sp. nov	Nomen dubium	Huene & Matley	Maastrichtian	Lameta Formation	India	A noasaurid
Dryptosauroides grandis [9]	Gen. et sp. nov.	Nomen dubium	Huene & Matley	Maastrichtian	Lameta Formation	India	A noasaurid
Indosaurus matleyi [9]	Gen. et so. nov.	Valid	Huene & Matley	Maastrichtian	Lameta Formation	India	An abelisaurid
Indosuchus raptorius [9]	Gen. et sp. nov.	Valid taxon	Huene & Matley	Maastrichtian	Lameta Formation	India	An abelisaurid
Jubbulpuria tenuis [9]	Gen. et sp. nov.	Nomen dubium	Huene & Matley	Maastrichtian	Lameta Formation	India	A noasaurid
Laevisuchus indicus [9]	Gen. et sp. nov	Valid	Huene & Matley	Maastrichtian	Lameta Formation	India	A noasaurid
Mandschurosaurus mongoliensis [8]	Sp. nov.	Valid	Gilmore	Santonian	Iren Dabasu Formation	China	A species of Mandschurosaurus now named Gilmoreosaurus mongoliensis
Mongolosaurus haplodon [11]	Gen. et sp. nov.	Valid	Gilmore	Aptian-Albian	On Gong Formation	China	A titanosaur
Ornithomimoides mobilis [9]	Gen. et sp. nov.	Nomen dubium	Huene & Matley	Maastrichtian	Lameta Formation	India	A noasaurid
Ornithomimoides barasimlensis [9]	Sp. nov.	Nomen dubium	Huene & Matley	Maastrichtian	Lameta Formation	India	A species of Ornithomimoides
Ornithomimus asiaticus [8]	Sp. nov.	Valid	Gilmore	Santonian	Iren Dabasu Formation	China	A species of Ornithomimus now named Archaeornithomimus asiaticus
Pinacosaurus grangeri [11]	Gen. et sp. nov.	Valid	Gilmore	Campanian	Djadochta Formation	Mongolia	An ankylosaurid

Synapsids

Non-mammalian

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

Other animals

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Paramedusium [12]	Gen. et sp. nov.		Gürich	Ediacaran		Namibia	A discoid fossil of uncertain affinity. The type species is P. africanum. Argued to be probably a junior synonym of Aspidella by Gehling et al. (2000). [13]
Pteridinium [12]	Gen. et sp. nov.	Valid	Gürich	Ediacaran		Namibia	An erniettomorph. The type species is P. simplex.

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. Manchester, S.R. (1994). "Fruits and Seeds of the Middle Eocene Nut Beds Flora, Clarno Formation, Oregon". Palaeontographica Americana. 58: 30–31.
3. Calman, W.T. (1933). "LX.— On Anthracocaris scotica ( Peach ), a fossil Crustacean from the Lower Carboniferous" . Annals and Magazine of Natural History. 11 (65): 562–565. doi:10.1080/00222933308673688. ISSN   0374-5481.
4. 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 . hdl: 2445/36428 .
5. 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
6. "Previous Work," Trexler (2001); page 300.
7. "Introduction," Makovicky (2001); page 244.
8. Gilmore, C.W. 1933. On the dinosaurian fauna of the Iren Dabasu Formation. Bull. Amer. Mus. Nat. Hist. 67: PP. 23-78.
9. 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.
10. Longman, H.A. 1933. A new dinosaur from the Queensland Cretaceous. Mem. Queensland Mus. 10: pp. 131-144.
11. Gilmore, C.W. 1933. Two new dinosaurian reptiles from Mongolia with notes on some fragmentary specimens. Amer. Mus. Novitates 679: pp. 1-20
12. Gürich, G. (1933), "Die Kuibis-Fossilien der Nama-Formation von Südwestafrika: Nachträge und Zusätze", Paläontologische Zeitschrift, 15 (2–3): 137–154, doi:10.1007/BF03041648, S2CID   130968715
13. Gehling, James G.; Narbonne, Guy M.; Anderson, Michael M. (2000). "The first named Ediacaran body fossil, Aspidella terranovica". Palaeontology. 43 (3): 427–456. Bibcode:2000Palgy..43..427G. doi: 10.1111/j.0031-0239.2000.00134.x .

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.