1955 in paleontology

List of years in paleontology (table)
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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 1955.

Plants

Pteridophyta

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Azolla primaeva[2]	Comb nov	Valid	(Penhallow) Arnold	Ypresian	Allenby Formation	Canada	A waterfern, moved from Azollophyllum primaevum Penhallow, 1890	Azolla primaeva

Arthropods

Crustaceans

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Eryon yehoachi[3]	Sp nov	Jr. synonym	Remy and Avnimelech	Late Cretaceous (Campanian)	Mishash Formation	Israel	Moved to Ursquilla in 1998.[4]

Dinosaurs

• Massospondylus gastroliths are documented.[5]

Newly named dinosaurs

Data courtesy of George Olshevsky's dinosaur genera list.[6]

Name	Status	Authors	Age	Unit	Location	Notes	Images
Majungasaurus[7]	Valid taxon	René Lavocat	Late Cretaceous (Maastrichtian)	Maevarano Formation	Madagascar	A majungasaurine abelisaurid.	Majungasaurus
Tarbosaurus[8]	Valid taxon	Evgeny Maleev	Late Cretaceous (late Campanian-early Maastrichtian)	Nemegt Formation Subashi Formation	Mongolia  China	An Asian Tyrannosaurus-looking tyrannosaurid.	Tarbosaurus

Synapsids

Theriodonts

Name	Status	Authors	Age	Unit	Location	Notes	Images
Sauroctonus	Valid	Bystrow	Late Permian	Semen Formation Teekloof Formation	Russia	A gorgonopsian.	Sauroctonus
Scalenodon	Valid	Crompton and Parrington	Middle Triassic	Manda Formation	Tanzania	A traversodontid cynodont.

Mammals

Eutherians

Cetaceans

Name	Status	Authors	Age	Unit	Location	Notes	Images
Lophocetus pappus	Now renamed Miminiacetus.	Kellogg	Middle Miocene (Langhian)
Pelodelphis	Valid	Kellogg	Middle Miocene (Langhian)	Calvert Formation	*  US ( Maryland)	An odontocete of uncertain position.
Tretosphys	Valid	Kellogg	Middle Miocene (Langhian)	Calvert Formation	Czech Republic  US ( Maryland,  New Jersey,  North Carolina and  Virginia)	An odontocete of uncertain position; new genus for "Delphinapterus" gabbi Cope (1868).

Other Animals

Name	Status	Authors	Age	Unit	Location	Notes	Images
Dickinsonia spriggi[9]	Synonym of Dickinsonia costata	Harrington & Moore	Ediacaran		Australia

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. Arnold, C.A. (1955). "A Tertiary Azolla from British Columbia" (PDF). Contributions from the Museum of. Paleontology, University of Michigan. 12 (4): 37–45.
3. Remy, Jean Marcel; Avnimelech, M. (1955-01-01). "Eryon yehoachi nov. sp. et Cenomanocarcinus cf. vanstraeleni Stenzel, crustaces decapodes du Cretace superieur de l'etat d'Israel". Bulletin de la Société Géologique de France. S6-V (4–6): 311–314. doi:10.2113/gssgfbull.S6-V.4-6.311. ISSN 1777-5817.
4. Hof, Cees H.J. (1998). "Late Cretaceous stomatopods (Crustacea, Malacostraca) from Israel and Jordan". Contributions to Zoology. 67 (4): 257–266. doi:10.1163/18759866-06704003. ISSN 1383-4517.
5. Bond (1955). Sanders, Manley, and Carpenter (2001), "Table 12.1" page 167.
6. Olshevsky, George. "Dinogeorge's Dinosaur Genera List". Archived from the original on 2011-07-15. Retrieved 2008-08-07.
7. Lavocat, R. 1955. Sur une portion de mandibule de thérepode provenant de Crétace supérieur de Madagascar. Bull. Musee Natl. d’Histoire Nat. (ser. 2) 27: pp. 256-259.
8. Maleev, E. A. (1955). "Гигантских плотоядных динозавров Монголии" [Gigantic carnivorous dinosaurs of Mongolia]. Doklady Akademii Nauk SSSR. 104: 634–637.
9. Harrington, N.J.; Moore, R.C. (1955). "Kansas Pennsylvanian and other jellyfishes". Bull. Kansas Geol. Surv. 114 (5): 153–163.

• Bond, G. 1955. A note on dinosaur remains from the Forest Sandstone (Upper Karoo). Occasional Papers of the National Museum of Rhodesia 2: 795–800.
• Sanders F, Manley K, Carpenter K. Gastroliths from the Lower Cretaceous sauropod Cedarosaurus weiskopfae. In: Tanke D.H, Carpenter K, editors. Mesozoic vertebrate life: new research inspired by the paleontology of Philip J. Currie. Indiana University Press; Bloomington, IN: 2001. pp. 166–180.