1920 in paleontology

{{Short description|none}}

{{Year topic navigation|1920|paleontology|science}}

{{Year in paleontology header|1920}}

Arthropods

=Newly named insects=

class="wikitable sortable" align="center" width="100%"

! Name

! Novelty

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Dolichoderus vectensis{{cite journal |vauthors=Antropov AV, Belokobylskij SA, Compton SG, Dlussky GM, Khalaim AI, KolyadaVA, Kozlov MA, PerfilievaKS, Rasnitsyn AP |title=The wasps, bees and ants (Insecta: Vespida=Hymenoptera) from the Insect Limestone (Late Eocene) of the Isle of Wight, UK |journal=Earth and Environmental Science Transactions of the Royal Society of Edinburgh |volume=104 |issue=3-4 |pages=335–446 |date=2014 |doi=10.1017/S1755691014000103|url=http://eprints.whiterose.ac.uk/80030/1/2014_Archaeagaon%5B1%5D.pdf }}

|

Sp nov

|

valid

|

Donisthorpe

|

Late Eocene

|

Bembridge Marls

|

{{Flag|England}}

|

A dolichoderine ant

|

File:Dolichoderus vectensis BMNHP9198 close up.jpg]]

Emplastus emeryi

|

Sp nov

|

jr synonym

|

Donisthorpe

|

Late Eocene

|

Bembridge Marls

|

{{Flag|England}}

|

A dolichoderine ant
jr synonym of Emplastus britannicus

|

File:Emplastus britannicus BMNHP24367 whole.jpg
("E. emeryi" holotype)]]

Dolichoderus gurnetensis

|

Sp nov

|

jr synonym

|

Donisthorpe

|

Late Eocene

|

Bembridge Marls

|

{{Flag|England}}

|

A dolichoderine ant
jr synonym of Emplastus gurnetensis

|

File:Emplastus gurnetensis BMNHP9082 whole.jpg

Archosauromorphs

=Crocodilians=

==New taxa==

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Taxon

! Novelty

! Status

! Author(s)

! Age

! Unit

! Location

! Notes

! Images

Tomistoma dowsoni{{cite journal|author=Fourtau, R.|year=1920|title=Contribution à l'étude des vertébrés miocènes de l'Egypte|journal=Government Press}}

|

Sp. nov

|

Valid

|

Fourtau

|

Burdigalian

|

Moghra Formation

|

{{Flag|Egypt}}

|

A member of the Gavialoidea. It was later placed in a distinct genus, Sutekhsuchus, by Burke et al. in 2024.

|

frameless

=Dinosaurs=

==New taxa==

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Taxon

! Novelty

! Status

! Author(s)

! Age

! Unit

! Location

! Notes

! Images

Aristosaurus{{Cite journal| volume = 7| issue = 2| pages = 77–92| last = Van Hoepen| first = E.C.N.| title = A new dinosaur from the Stormberg Beds| journal = Annals of the Transvaal Museum| series = Contributions to the knowledge of the reptiles of the Karroo Formation | date = 1920 |url=https://www.biodiversitylibrary.org/item/202290#page/305/mode/1up}}

| Gen. et sp. nov.

| Nomen dubium

| van Hoepen

| Pliensbachian

| Clarens Formation

| {{flag|South Africa}}

| A prosauropod sometimes synonymized with Massospondylus

| 100px

Dromicosaurus

| Gen. et sp. nov.

| Nomen dubium

| van Hoepen

| Late Triassic-Early Jurassic

| Elliot Formation

| {{flag|South Africa}}

| A prosauropod sometimes synonymized with Massospondylus

| 100px

ElaphrosaurusJanensch, W. 1920. Uber Elaphrosaurus bambergi und die Megalosaurier aus den Tendaguru-Schichten Deutsch-Ostafricas. Sitzungsberichte Gesellschaft Naturforschender Freunde Berlin 8: pp. 225-235.

| Gen. et sp. nov.

| Valid

| Janensch

| Kimmeridgian

| Tendaguru Formation

| {{Flag|Tanzania}}

| A slender theropod

| 200px

Eucnemesaurus{{Cite journal| volume = 7| issue = 2| pages = 93–141| last = Van Hoepen| first = E. C. N.| title = Further dinosaurian material in the Transvaal Museum| journal = Annals of the Transvaal Museum| series = Contributions to the knowledge of the reptiles of the Karroo Formation| date = 1920 |url=https://www.biodiversitylibrary.org/page/50361567#page/335/mode/1up}}

| Gen. et sp. nov.

| Valid

| van Hoepen

| Norian

| Elliot Formation

| {{flag|South Africa}}

| A prosauropod

|

Kritosaurus incurvimanus{{cite journal|last=Parks|first=W.A.|year=1920|title=The osteology of the trachodont dinosaur Kritosaurus incurvimanus|journal=University of Toronto Studies, Geology Series|volume=11|pages=1–76}}

| Sp. nov.

| Valid

| Parks

| Campanian

| Dinosaur Park Formation

| {{flag|Canada}}
{{flag|Alberta}}

| A species of Kritosaurus

| 200px

Procheneosaurus{{cite journal|last=Matthew|first=W.D.|author-link=William Diller Matthew|year=1920|title=Canadian Dinosaurs|journal=Natural History|volume=20|pages=536–544}}

| Gen. nov.?

| Jr. synonym

| Matthew

| Campanian

| Dinosaur Park Formation

| {{flag|Canada}}
{{flag|Alberta}}

| A genus lacking a species name, sometimes considered a nomen nudum. A synonym of Lambeosaurus

| 200px

Synapsids

=Non-mammalian=

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Name

! Status

! Authors

! Age

! Location

! width="33%" class="unsortable" | Notes

!Images

Alopecopsis

|

Valid

|Broom

|257 Millions of years ago.

|

  • {{Flag|South Africa}}

|

|

Broomisaurus

|

Valid

|Joleaud

|

|

|

|

Moschorhinus

|

Valid

|Broom

|250 Millions of years ago.

|

  • {{Flag|South Africa}}

|

|File:Moschorhinus DB.jpg]]

Protacmon

|

Valid

|Watson

|245 Millions of years ago.

|

  • {{Flag|South Africa}}

|

|

References