1925 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 1925.

Plants

Liverworts

More information Name, Novelty ...
Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Lejeunea eophila[2][3]

Sp nov.

jr synonym

Cockerell

Eocene
Ypresian

Green River Formation

United States
Colorado

A leafy liverwort morphospecies.
Moved to Jungermannites eophila (1947).[2][4]

Jungermannites eophila
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Angiosperms

More information Name, Novelty ...
Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Alsinites[2]

Gen et sp. nov

valid

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

A carnation family flower morphospecies.[3]

Alsinites revelatus

Amorpha utensis[2]

Sp. nov

valid

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

A legume leaf morphospecies.[3]

Amorpha utensis

Banksites lineatulus[2][3]

Sp. nov

jr synonym

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

First named as a proteaceous seed morphotype
Synonymized into Cedrelospermum nervosum in 1989)[5]

Cedrelospermum nervosum

Bumelia coloradensis[2]

Sp. nov

jr synonym

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

First named as a sapotaceous leaf morphospecies
Synonymized into Leguminosites lesquereuxiana by 1952[3]

Leguminosites lesquereuxiana

Clethra? lepidioides[2][3]

Sp. nov

jr synonym

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

A tetramelaceous fruit morphotype
Moved to Parvaspicula lepidioidea in 2023[6]

Parvaspicula lepidioidea

Dalbergia knowltoni[2][3]

Sp. nov

jr synonym

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

First named as a legume leaf morphospecies.
Synonymized into Leguminosites lesquereuxiana by 1952[3]

Leguminosites lesquereuxiana

Liquidambar callarche[2]

Sp. nov

valid

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

A sweet-gum species.[3]

Liquidambar callarche

Lomatia obtusiuscula[2]

Sp. nov

jr synonym

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

First named as a Lomatia leaf morphotype[3]
Synonymized into "Cardiospermum" coloradensis in 1969)[7]

"Cardiospermum" coloradensis

Melia coloradensis[2][3]

Comb. nov

jr synonym

(Knowlton) Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

Identified as a Melia leaf morphotype
Moved from Phyllites coloradensis (1923)
Moved to Lomatia coloradensis in 1929
Moved to "Cardiospermum" coloradensis in 1969)[7]

"Cardiospermum" coloradensis

Populus wilmattae[2][8]

Sp. nov

valid

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

An Aspen/cottonwood relative.[2][8]

Populus wilmattae

Potentilla? byrami[2]

Sp. nov

jr synonym

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

First named as a possible potentilla flower morphospecies[3]
Synonymized into Pseudosalix handleyi by 2003[9]

Pseudosalix handleyi
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Arthropods

Insects

More information Name, Novelty ...
Name Novelty Status Authors Age Unit Location Notes Images

Cardiophorus exhumatus[2]

Sp. nov

valid

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

An elaterid click beetle species.

Cardiophorus exhumatus

Cyttaromyia obdurescens[2]

Sp. nov

valid

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

A long-bodied cranefly.

Eoliarus[2]

Gen, sp. et comb nov

valid

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

A Fulgoroid plant hopper genus.
The type species is E. quadristictus
The genus also includes Oliarus? lutensis (1890).

Eoliarus quadristictus

Inocellia exusta[10]

Sp nov

jr synonym

Cockerell & Custer

Eocene
Priabonian

Florissant Formation

USA
Colorado

An inocelliid snakefly
moved to Fibla exusta in 1936[11]

Fibla exusta

Mesoraphidia[12]

Fam, Gen, et 4 sp nov

valid

Martynov

Late Jurassic

Karabastau Formation

Kazakhstan

A snakefly
The type genus of the new family Mesoraphidiidae
Includes the new species M. elongata, M. grandis, M. inaequalis, and M. similis

Thamnotettix packardi[2]

Sp. nov

valid

Cockerell

Eocene
Wasatchian

Green River Formation

United States
Colorado

A cicadellid leafhopper.

Thamnotettix packardi
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Archosauromorpha

General pseudosuchian research

  • Longman describes a crocodilian skull discovered at Lansdown Station in Australia, assigning it to the genus Pallimnarchus (now Paludirex).[13]

Dinosaurs

More information Taxon, Novelty ...
Taxon Novelty Status Author(s) Age Unit Location Notes Images
Arrhinoceratops brachyops[14] Gen et sp nov Valid Parks Cretaceous
Maastrichtian
Horseshoe Canyon Formation Canada
Alberta
A ceratopsid
Trachodon amurense[15] Sp. nov. Nomen dubium Riabinin Cretaceous
Maastrichtian
Yuliangze Formation China A species of Trachodon later given the genus name Mandschurosaurus
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Newly named plesiosaurs

More information Name, Status ...
Name Status Authors Age Location Notes Images

Tapinosaurus

nomen invalidum

Rabeck

Mislabeling of an image, not a valid genus name

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Synapsids

Non-mammalian

More information Name, Status ...
Name Status Authors Age Location Notes Images

Lycaenodon

Valid

Broom 257 Millions of years ago

Lycaenoides

Valid

Broom

Lycaenops

Valid

Broom

A Dog-like Gorgonopsian.

Lycaenops

Notosollasia

Jr. synonym

Jr. synonym of Theriognathus.
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Mammals

More information Name, Novelty ...
Name Novelty Status Authors Age Unit Location Notes Images

Ardynictis[16]

Gen et sp nov

Valid

Matthew & Granger

Late Eocene

Ergilin Dzo Formation

A didymoconid, type species is A. furunculus.

Ardynomys[16]

Gen et sp nov

Valid

Matthew & Granger

Late Eocene

Ergilin Dzo Formation

A rodent, type species is A. olseni.

Hyaenodon eminus[16]

Sp nov

Valid

Matthew & Granger

Late Eocene

Ergilin Dzo Formation

A hyaenodont

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References

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