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1952 in paleobotany

From Wikipedia, the free encyclopedia
List of years in paleobotany
In paleontology
1949
1950
1951
1952
1953
1954
1955
In science
1949
1950
1951
1952
1953
1954
1955
+...

This paleobotany list records new fossil plant taxa that were to be described during the year 1952, as well as notes other significant paleobotany discoveries and events which occurred during 1952.

Mosses

[edit]
Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Archaeomnium arnoldianum[1]

Comb nov

jr synonym

(Steere) LaMotte

Miocene

"Carter Creek"

 United States
 Oregon

A moss.
Moved from Palaeohypnum arnoldianum (1947)
Moved to Hypnites arnoldianum in 1980[2]

Archaeomnium brittoniae[1]

Comb nov

jr synonym

(Steere) LaMotte

Miocene

Latah Formation

 United States
 Washington

A moss.
Moved from Palaeohypnum brittoniae (1947)
Moved to Hypnites brittoniae in 1980[2]

Archaeomnium brownii[1]

Comb nov

jr synonym

(Kirchner) LaMotte

Eocene
Priabonian

Florissant Formation

 United States
 Colorado

A moss.
Moved from Palaeohypnum brownii (1947)
First named Hypnum brownii (1898)
Moved to Hypnites brownii in 1980[2]

Archaeomnium knowltoni[1]

Comb nov

jr synonym

(E. G. Britton) LaMotte

Eocene

Roslyn Formation

 United States
 Washington

A moss.
Moved from Palaeohypnum knowltoni (1947)
First named Rhynchostegium knowltoni (1899)
Moved to Hypnites knowltoni in 1980[2]

Ferns

[edit]
Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Athyrium crossii[1]

Comb nov

(Knowlton) LaMotte

Paleocene

Denver Formation

 United States
 Colorado

Diplaiium mulleri (1874)

A lady fern species.
Moved from Diplazium crossii (1930)
First named Asplenium (Diplaiium) crossii (1890)

Cyathea branneri[1]

Comb nov

(Hollick & Berry) LaMotte

"Tertiary"

 Brazil

A tree fern species.
Moved from Hemitelia branneri (1924)

Cyathea pinnata[1]

Comb nov

jr synonym

(MacGinitie) LaMotte

Eocene

Ione Formation

 United States
 California

A tree fern species.
Moved from Hemitelia pinnata (1941)
Synonymized into Cyathea inequilateralis in 1977[3]

Cyathea inequilateralis

Dryopteris claiborniana[1]

Comb nov

(Berry) LaMotte

Eocene

Yegua Formation

 United States
 Louisiana

A wood fern species
Moved from Goniopteris claiborniana (1917)

Dryopteris escheri[1]

Comb nov

(Heer) LaMotte

Miocene

  Switzerland

A wood fern species
Moved from Aspidium escheri (1855)

Dryopteris guyottii[1]

Comb nov

(Lesquereux) LaMotte

Eocene
Priabonian

Florissant Formation

 United States
 Colorado

A wood fern species
Moved from Phegopteris guyottii (1908)
First named Sphenopteris guyottii (1883)

Dryopteris heerii[1]

Comb nov

(Ettingshausen) LaMotte

A wood fern species
Moved from Aspidium heerii (1865)

Dryopteris lesquereuxi[1]

Comb nov

(Berry) LaMotte

Eocene

Lysite Formation

 United States
 Wyoming

A wood fern species
Moved from Goniopteris lesquereuxi (1932)

Dryopteris ursinum[1]

Comb nov

(Unger) LaMotte

Miocene

  Switzerland

A wood fern species
Moved from Lastrea (Phegopteris) stiriaca (1855)

Dryopteris ursinum[1]

Comb nov

(Heer) LaMotte

Paleocene

 Greenland

A wood fern species
Moved from Aspidium ursinum (1869)

Cycadophytes

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Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Ctenis hamiltonensis[1]

Comb nov

(Hollick) LaMotte

Paleocene/Eocene

"Hamilton Bay flora"

 USA
 Alaska

A Ctenis species.
Moved from Anthrophyopsis hamiltonensis (1936)[4]

Zamites pollardi[1]

Comb nov

(Hollick) LaMotte

Paleocene

Fort Union Formation

 USA
 Wyoming

A Zamites species morphospecies.
Moved from Magnolia (?) pollardi (1899)

Conifers

[edit]

Cupressaceae

[edit]
Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Callitris helvetica[1]

Comb nov

(Heer) LaMotte

Miocene

  Switzerland

A Callitris species.
Moved from Widdringtonia helvetica (1855)

Juniperus linguaefolia[1]

Comb nov

(Lesquereux) LaMotte

Eocene
Priabonian

Florissant Formation

 USA
 Colorado

A juniper species.
Moved from Sabina linguaefolia (1908)
First described as Widdringtonia linguaefolia (1883)

Thuja naujatica[1]

Comb et sp nom nov

(Heer) LaMotte

Paleocene

 Denmark
 Greenland

A hiba species.
New species name for Thujopsis gracilis (1920)
First described as Thuja (Thujopsis) gracilis (Heer) (1883)


Flowering plants

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Nymphales

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Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Nymphaea leei[1]

Comb nov

(Knowlton) LaMotte

Paleocene

Raton Formation

 USA
 Colorado

A waterlily species
First described as Castalia leei (1917)

Nymphaea pulchella[1]

Comb nov

(Knowlton) LaMotte

Paleocene

Dawson Arkose

 USA
 Colorado

A waterlily species
First described as Castalia pulchella (1930)

Magnoliids

[edit]
Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Beilschmiedia portoricensis[1]

Comb nov

(Hollick) LaMotte

Miocene

Collazo Shale

 USA
 Puerto Rico

A Beilschmiedia species.
Moved from Hufetandta portoricensis (1928)
First named Aniba portoricensis (1928)

Laurophyllum grandis[1]

Comb nov

(Lesquereux) LaMotte

Miocene

Neroly Formation

 USA
 California

A lauraceous species.
Moved from Laurus grandis (1883)

Lindera antiqua[1]

Comb nov

(Heer) LaMotte

Miocene

  Switzerland

A spicewood species
First described as Benzoin antiquum (1856)

Lindera dilleri[1]

Comb nov

(Knowlton) LaMotte

Miocene

 USA
 Oregon

A spicewood species
First described as Benzoin dilleri (1900)

Litsea lamarensis[1]

Comb nov

(Knowlton) LaMotte

Eocene

 USA
 Wyoming

A Litsea species
First described as Malapoenna lamarensis (1899)

Litsea lata[1]

Comb nov

jr synonym

(MacGinitie) LaMotte

Eocene

Ione Formation

 USA
 California

A lauraceous relative
First described as Neolitsea lata (1941)
Moved to Cinnamomophyllum latum in 1977[3]

Cinnamomophyllum latum

Litsea praecursoria[1]

Comb nov

(Lesquereux) LaMotte

Paleocene

Fort Union Formation

 USA
 North Dakota

A lauraceous relative
First described as Tetranthera praecursoria (1883)

Litsea sagittata[1]

Comb nov

(Ball) LaMotte

Eocene

Wilcox Formation

 USA
 Texas

A Litsea species
First described as Malapoenna sagittata (1939)

Litsea sessiliflora[1]

Comb nov

(Lesquereux) LaMotte

Eocene

Wilcox Formation

 USA
 Texas

A Litsea species
Moved from Malapoenna sessiliflora (1898)
First described as Laurus sessiliflora (1874)

Litsea texensis[1]

Comb nov

(Ball) LaMotte

Eocene

Indio Formation

 USA
 Texas

A Litsea species
First described as Malapoenna sagittata (1931)

Ocotea alia[1]

Sp nom nov

LaMotte

Eocene

Wilcox Formation

 USA
 Arkansas

An Ocotea species
A replacement name for Mespilodaphne coushatta (Berry, 1916) (1916)

Ocotea athenensis[1]

Comb nov

(Ball) LaMotte

Eocene

Wilcox Formation

 USA
 Texas

An Ocotea species
Moved from Mespilodaphne athenensis (1939)

Ocotea attenuata[1]

Comb nov

(Ball) LaMotte

Eocene

Wilcox Formation

 USA
 Texas

An Ocotea species
Moved from Mespilodaphne attenuata (1939)

Ocotea berryana[1]

Sp nom nov

LaMotte

Eocene

Lagrange Formation

 USA
 Tennessee

An Ocotea species
A replacement name for Mespilodaphne puryearensis (Berry, 1916) (1916)

Ocotea brazosensis[1]

Comb nov

(Ball) LaMotte

Eocene

Fayette Formation

 USA
 Texas

An Ocotea species
Moved from Oreodaphne brazosensis (1924)

Ocotea caudata[1]

Comb nov

(Berry) LaMotte

Eocene

Mount Selman Formation

 USA
 Texas

An Ocotea species
Moved from Mespilodaphne caudata (1924)
Includes one subspecies moved from M. c. major

Ocotea collazoensis[1]

Comb nov

(Hollick) LaMotte

Miocene

Collazo Shales

 USA
 Puerto Rico

An Ocotea species
Moved from Aniba collazoensis (1928)

Ocotea coloradensis[1]

Comb nov

(Brown) LaMotte

Eocene

Green River Formation

 USA
 Colorado

An Ocotea species
Moved from Oreodaphne coloradensis (1934)

Ocotea columbiana[1]

Comb nov

(Hollick) LaMotte

Eocene

Lisbon Formation

 USA
 Mississippi

An Ocotea species
Moved from Mespilodaphne columbiana (1924)

Ocotea coushatta[1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

 USA
 Louisiana

An Ocotea species
Moved from Oreodaphne coushatta (1916)

Ocotea culebrensis[1]

Comb nov

(Berry) LaMotte

Oligocene

Culebra Formation

 Panama

An Ocotea species
Moved from Mespilodaphne columbiana (1924)

Ocotea eolignitica[1]

Comb nov

(Hollick) LaMotte

Eocene

 USA
 Louisiana

An Ocotea species
Moved from Mespilodaphne eolignitica (1916)
First named Andromeda eolignitica (1899)

Ocotea hispanioiana[1]

Comb nov

(Berry) LaMotte

Miocene

Arbitonite Group

 Haiti

An Ocotea species
Moved from Mespilodaphne hispanioiana (1922)

Ocotea inequilateralis[1]

Comb nov

(Berry) LaMotte

Eocene

Gosport Formation

 USA
 Alabama

An Ocotea species
Moved from Mespilodaphne inequilateralis (1924)

Ocotea intermedia[1]

Comb nov

(Berry) LaMotte

Eocene

Holly Springs Formation

 USA
 Tennessee

An Ocotea species
Moved from Mespilodaphne intermedia (1930)

Ocotea lancifolia[1]

Comb nov

(Lesquereux) LaMotte

Eocene
Ypresian

Holly Springs Formation

 USA
 Tennessee

An Ocotea species
Moved from Oreodaphne lancifolia (1934)
First described as Sapindus lancifolius (1883)

Ocotea lithaeformis[1]

Comb nov

(Lesquereux) LaMotte

 USA
 California

An Ocotea species
Moved from Mespilodaphne lithaeformis (1888)

Ocotea mississippiensis[1]

Comb nov

(Berry) LaMotte

Eocene

Holly Springs Formation

 USA
 Mississippi

An Ocotea species
Moved from Mespilodaphne lithaeformis (1916)

Ocotea obtusifolia[1]

Comb nov

(Berry) LaMotte

Eocene

Holly Springs Formation

 USA
 Mississippi

An Ocotea species
Moved from Oreodaphne obtusifolia (1916)

Ocotea pagosensis[1]

Comb nov

(Hollick) LaMotte

Paleocene

Animas Formation

 USA
 Colorado

An Ocotea species
Moved from Oreodaphne pagosensis (1924)

Ocotea palomarensis[1]

Comb nov

(Berry) LaMotte

Miocene

 Mexico
 Oaxaca

An Ocotea species
Moved from Mespilodaphne obtusifolia (1923)

Ocotea perseaformis[1]

Comb nov

(Ball) LaMotte

Eocene

Indio Formation

 USA
 Texas

An Ocotea species
Moved from Oreodaphne perseaformis (1939)

Ocotea praefracta[1]

Comb nov

(Ball) LaMotte

Eocene

Wilcox Formation

 USA
 Texas

An Ocotea species
Moved from Oreodaphne praefracta (1939)

Ocotea precoushatta[1]

Comb nov

(Berry) LaMotte

Eocene

Indio Formation

 USA
 Texas

An Ocotea species
Moved from Mespilodaphne perseaformis (1924)

Ocotea pseudoglauca[1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

 USA
 Louisiana

An Ocotea species
Moved from Mespilodaphne pseudoglauca (1916)

Ocotea pseudoguianensis[1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

 USA
 Louisiana

An Ocotea species
Moved from Mespilodaphne pseudoguianensis (1916)

Ocotea puryearensis[1]

Comb nov

(Berry) LaMotte

Eocene

Ackerman Formation

 USA
 Mississippi

An Ocotea species
Moved from Oreodaphne pseudoguianensis (1916)

Ocotea (?) ratonensis[1]

Comb nov

(Hollick) LaMotte

Paleocene

Raton Formation

 USA
 Colorado

An Ocotea species
Moved from Oreodaphne (?) ratonensis (1917)

Ocotea ripariafolia[1]

Comb nov

(Berry) LaMotte

Miocene

Forest Clay Formation

 Trinidad and Tobago
 Trinidad

An Ocotea species
Moved from Aniba ripariafolia (1937)

Ocotea salinensis[1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

 USA
 Arkansas

An Ocotea species
Moved from Oreodaphne salinensis (1916)

Ocotea tertiaria[1]

Comb nov

(Berry) LaMotte

 Costa Rica

An Ocotea species
Moved from Goeppertia tertiaria (1921)

Ocotea texana (Berry)[1]

Comb nov

Homonym

(Berry) LaMotte

Eocene

Fayette Formation

 USA
 Texas

An Ocotea species
Moved from Mespilodaphne texana (1924)
Homonym with Ocotea texana (Ball)

Ocotea texana (Ball)[1]

Comb nov

Homonym

(Ball) LaMotte

Eocene

Indio Formation

 USA
 Texas

An Ocotea species
Moved from Oreodaphne texana (1931)
Homonym with Ocotea texana (Berry)

Ocotea viridiflumensis[1]

Comb nov

(Knowlton) LaMotte

Eocene

Green River Formation

 USA
 Colorado

An Ocotea species
Moved from Oreodaphne coloradensis (1923)

Ocotea wilcoxensis[1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

 USA
 Tennessee

An Ocotea species
Moved from Oreodaphne wilcoxensis (1916)

Sassafras quilchenensis[1]

Sp nom nov

LaMotte

Eocene
Ypresian

Eocene Okanagan Highlands
Coldwater Beds

 Canada
 British Columbia

A Sassafras species
A new name for Sassafras cretaceum (Penhallow) (1906)

Umbellularia saliciformis[1]

Comb nov

(Knowlton & Cockerell) LaMotte

Miocene

Neroly Formation

 USA
 California

A California bay species
Moved from Laurus saliciformis (1919)
First named Laurus salicifolia (Lesquereux) (1883)
L. salicifolia a jr homonym of Laurus salicifolia (Banks & Solander)

Monocots

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Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Cyperacites islandicus[1]

Comb nov

(Heer) LaMotte

Paleocene

 Iceland

A Cyperacites morphospecies
Moved from Cyperites islandicus (1868)

Exflabellaria[1]

Gen et 4 comb nov

Jr synonym

LaMotte

A palm leaf morphogenus
Replacement genus for the homonym Flabellaria (Sternberg) (1822)
Jr synonym of Palmacites
Contained Flabellaria alaskana,[4] F. groenlandica, F. johnstrupi, & F. latania

Potamogeton orbus[1]

Sp nom nov

LaMotte

Miocene

Latah Formation

 USA
 Washington

A possible pond weed species
New name for referred "Potamogeton heterophylloides" fossils
P. heterophylloides type specimens moved to Keteleeria heterophylloides (1940)

Basal eudicots

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Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Nelumbium crossii[1]

Comb nov

(Knowlton) LaMotte

Paleocene

Arapahoe Formation

 USA
 Colorado

A lotus relative.
Moved from Nelumbo crossii (1930)

Nelumbium protolutea[1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

 USA
 Mississippi

A lotus relative.
Moved from (1949)
Nelumbites protoluteus First named Nelumbo protolutea (1917)

Core Eudicots

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Superasterids

[edit]
Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Achras agnitionalis[1]

Comb nov

(Hollick) LaMotte

Miocene

Collazo Shale

 USA
 Puerto Rico

A Manilkara species.
Moved from Sapota agnitionalis (1928)

Arbutus xalapoldes[1]

Sp nom nov

LaMotte

Pliocene

 USA
 California

A madrone.
New name for "Arbutus prexalapensis" (1950) madrone fossils
Type material of A. prexalapensis moved to other species

Ardisia prepaniculata[1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

 USA
 Tennessee

A marlberry species.
Moved from Icacorea prepaniculata (1916)

Ardisia prisca[1]

Comb nov

(Hollick) LaMotte

Miocene

Collazo Shale

 USA
 Puerto Rico

A marlberry species.
Moved from Icacorea prisca (1924)

Asclepias fructifer[1]

Comb nov

(Cockerell) LaMotte

Eocene
Priabonian

Florissant Formation

 USA
 Colorado

A milkweed species.
Moved from Acerates fructifer (1908)

Asclepias veterana[1]

Comb nov

(Heer) LaMotte

Miocene

  Switzerland

A milkweed species.
Moved from Acerates veterana (1859)

Asclepias wilcoxiana[1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

 USA
 Tennessee

A milkweed species.
Moved from Acerates wilcoxiana (1930)

Coccoloba chapini[1]

Comb nov

(Hollick) LaMotte

Paleocene/Eocene

Matanuska coal field

 USA
 Alaska

A Coccoloba species.
Moved from Coccolobis chapini (1936)[4]

Coccoloba claibornensis[1]

Comb nov

(Berry) LaMotte

Eocene

Gosport Formation

 USA
 Alabama

A Coccoloba species.
Moved from Coccolobis claibornensis (1924)

Coccoloba columbianus[1]

Comb nov

(Berry) LaMotte

Eocene

Yegua Formation

 USA
 Louisiana

A Coccoloba species.
Moved from Coccolobis columbianus (1924)

Coccoloba eolignitica[1]

Comb nov

(Berry) LaMotte

Eocene

Lagrange Formation

 USA
 Tennessee

A Coccoloba species.
Moved from Coccolobis columbianus (1916)

Coccoloba uviferafolia[1]

Comb nov

(Berry) LaMotte

Eocene

Lagrange Formation

 USA
 Tennessee

A Coccoloba species.
Moved from Coccolobis uviferafolia (1916)

Cryptantha auriculata[1]

Comb nov

(Elias) LaMotte

Pliocene

Ogallala Formation

 USA
 Kansas

A Cryptantha species.
Moved from Krynitikia auriculata (1932)

Cryptantha chaneyi[1]

Comb nov

(Elias) LaMotte

Pliocene

Ogallala Formation

 USA
 Kansas

A Cryptantha species.
Moved from Krynitzkia (Oreocarya) chaneyi (1932)

Cryptantha coroniformis[1]

Comb nov

(Elias) LaMotte

Pliocene

Ogallala Formation

 USA
 Kansas

A Cryptantha species.
Moved from Krynitzkia (Oreocarya) coroniformis (1932)

Gonolobus (?) trinervatus[1]

Comb nov

(MacGinitie) LaMotte

Miocene

Trout Creek Flora

 USA
 Oregon

An asclepiadoid milkweed family species
Moved from Vincetoxicum (?) trinervata (1933)

Halesia inopinum[1]

Comb nov

(Hollick) LaMotte

Paleocene

Berg lake Formation

 USA
 Alaska

A snowdrop tree species
Moved from Mohrodendron inopinum (1936)[4]

Leiophyllum pleistocenicum[1]

Comb nov

(Berry) LaMotte

Pleistocene

 USA
 North Carolina

A sandmyrtle species
First described as Dendrium pleistocenicum (1907)

Viburnum comstocki[1]

Comb nov

(Sanborn) LaMotte

Eocene

 USA
 Oregon

A Viburnum species
First described as Mallotus comstocki (1935)

Superrosids

[edit]
Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Acer (Negundo) decurrens[1]

Comb nov

(Lesquereux) LaMotte

Paleocene

Denver Formation

 USA
 Colorado

A maple.
Moved from Negundo decurrens (1888)

Acer (Negundo) fremontensis[1]

Comb nov

(Berry) LaMotte

Eocene

Bridger Formation

 USA
 Wyoming

A maple.
Moved from Negundo fremontensis (1930)

Acer negundifolium[1]

Comb nov

(Dawson) LaMotte

Eocene
(Ypresian)

Eocene Okanagan Highlands
Stump lake

 Canada
 British Columbia

A possible maple.
Moved from Acerites negundifolium (1891)

Acer orbum[1]

Sp nom nov

LaMotte

Eocene

Ione Formation

 USA
 California

A maple.
New name for Acer aequidentatum maple fossils
A. aequidentatum type fossils moved to Platanus appendiculata

Acer (Negundo) triloba[1]

Comb nov

(Newberry) LaMotte

Paleocene

Fort Union Formation

 USA
 North Dakota

A maple.
Moved from Negundo triloba (1868)

Acer tuckeri[1]

Comb nov

(Smith) LaMotte

Pliocene

"Hog Creek"

 USA
 Idaho

A maple.
Moved from Engdhardtia tuckeri (1938)

Canarium leonis[1]

Comb nov

(Cockerell) LaMotte

Eocene

Ione Formation

 USA
 California

A Canarium species.
Moved from Juglans leonis (1908)

Carya bartoni[1]

Comb nov

(Ball) LaMotte

Eocene

 USA
 Texas

A hicory species.
Moved from Hicoria bartoni (1931)

Carya biacuminata[1]

Comb nov

(Perkins) LaMotte

Eocene

Brandon lignites

 USA
 Vermont

A hicory species.
Moved from Hicoria biacuminata (1904)

Carya crescentia[1]

Comb nov

(Knowlton) LaMotte

Paleocene

 USA
 Wyoming

A hickory species.
Moved from Hicoria crescentia (1899)

Carya culveri[1]

Comb nov

(Knowlton) LaMotte

Paleocene

 USA
 Wyoming

A hickory species.
Moved from Hicoria culveri (1899)

Carya dawsoni[1]

Comb nov

valid

(Berry) LaMotte

Early Eocene
(Ypresian)

Okanagan Highlands
Chu Chua Formation

 Canada
 British Columbia

A hickory.
Moved from Hicoria dawsoni (1962)

Carya dentata[1]

Comb nov

(Knowlton) LaMotte

Paleocene

 USA
 Wyoming

A hickory species.
Moved from Hicoria culveri (1899)

Carya jacksoniana[1]

Comb nov

(Berry) LaMotte

Eocene

Yegua Formation

 USA
 Texas

A hickory species.
Moved from Hicoria jacksoniana (1924)

Carya juxtaporipites[1]

Comb nov

(Berry) LaMotte

Eocene
Ypresian

Green River Formation

 USA
 Colorado

A hickory species.
Moved from Hicoria juxtaporipites (1933)

Carya (?) oregoniana[1]

Comb nov

(Knowlton) LaMotte

Eocene

Clarno Formation

 USA
 Oregon

A hickory species.
Moved from Hicoria (?) oregoniana (1902)

Carya orientalis[1]

Comb nov

(Chaney) LaMotte

Oligocene

Eagle Creek flora

 USA
 Oregon

A hickory species.
Moved from Hicoria orientalis (1920)

Carya pretexana[1]

Comb nov

(Berry) LaMotte

Pliocene

Citronelle Formation

 USA
 Alabama

A hickory species.
Moved from Hicoria pretexana (1916)

Carya princetoniana[1]

Comb nov

(Cockerell) LaMotte

Eocene
Priabonian

Florissant Formation

 USA
 Colorado

A hickory species.
Moved from Hicoria princetoniana (1908)

Carya rostrataformis[1]

Comb nov

(Berry) LaMotte

Eocene

Lagrange Formation

 USA
 Tennessee

A hickory species.
Moved from Hicoria rostrataformis (1924)

Carya stanleyanum[1]

Comb nov

valid

(Dawson) LaMotte

Early Eocene
(Ypresian)

Huntingdon Formation

 Canada
 British Columbia

A hickory.
Moved from Hicoria dawsoni (1962)
First named Dryophyllum stanleyanum (1895)

Carya williamsi[1]

Comb nov

(Chaney) LaMotte

Oligocene

Eagle Creek flora

 USA
 Oregon

A hickory species.
Moved from Hicoria williamsi (1920)

Celtis americana[1]

Comb nov

(Berry) LaMotte

Eocene

McBean Formation

 USA
 Georgia

Mimosa americana (1919)

A Celtis species.
Moved from Momisia americana (1914)

Cercidiphyllum piperoides[1]

Comb nov

(Lesquereux) LaMotte

Eocene

Ione Formation

 USA
 California

A katsura species.
Moved from Zizyphus piperoides (1878)
Moved to Tetracentron piperoides in 1977[3]

Tetracentron piperoides

Comptonia parvula[1]

Comb nov

(Heer) LaMotte

Cretaceous

Patoot beds

 Denmark
 Greenland

A Comptonia species.
Moved from Myrica (Comptonia) parvula (1916)

Cupanites berryi[1]

Sp nom nov

LaMotte

Eocene

Barnwell Formation

 USA
 Georgia

A sapindaceous Cupanites species.
A new name for Cupanites nigricans (1918)

Inga alia[1]

Sp nom nov

LaMotte

Miocene

 Cuba

An ice-cream-bean species
A new species name for Inga miocenica (Berry, 1939) (1939)

Liquidambar dubia[1]

Sp nom nov

(Berry) LaMotte

Eocene

Lagrange Formation

 USA
 Kentucky

A sweetgum species
A replacement name for Liquidambar incerta (Berry, 1924) (1924)

Macrolobium geminifolia

Comb nov

(MacGinitie) LaMotte

Eocene

Ione Formation

 USA
 California

A Macrolobium species legume.
Moved from Vouapa geminifolia (1941)

Melastomites incertus[1]

Sp nom nov

LaMotte

Oligocene

Culebra Formation

 Panama

A melastome species
A replacement name for Melastomites miconioides (Berry, 1919) (1919)

Populus americana[1]

Comb nov

(Lesquereux) LaMotte

Eocene
Priabonian

Florissant Formation

 USA
 Colorado

synonymy

A cottonwood species.
Moved from Pterocarya americana (1874)

Populus (?) paramonodon[1]

Sp nom nov

LaMotte

Paleocene

 USA
 New Mexico

A possible cottonwood species
New name for referred "Populus monodon" fossils
P. monodon type specimens moved to Ficus monodon

Prunus gracilis (Lesquereux)[1]

Comb nov

Jr homonym

(Lesquereux) LaMotte

Eocene
Pribonian

Florissant Formation

 USA
 Colorado

A possible cherry species
Moved from Amygdalus gracilis (1883)
Jr homonym of Prunus gracilis (Engelm. & A.Gray)

Prunus wilcoxiana[1]

Comb nov

(Berry) LaMotte

Eocene

Tallahatta Formation
Holly Springs Sand Member

 USA
 Tennessee

A possible cherry species
Moved from Amygdalus wilcoxiana (1930)

Pyrus alvordensis[1]

Comb nov

(MacGinitie) LaMotte

Trout Creek flora

 USA
 Oregon

A possible mountain ash species
Moved from Sorbus alvordensis (1933)

Pyrus coronariafolia[1]

Comb nov

(Berry) LaMotte

Pleistocene

 USA
 North Carolina

A possible apple species
Moved from Malus coronariafolia (1907)

Pyrus decorafolia[1]

Comb nov

(Berry) LaMotte

Eocene
(Ypresian)

Okanagan Highlands
Chu Chua Formation

 Canada
 British Columbia

A possible mountain ash species
Moved from Sorbus decorafolia (1926)

Pyrus diversifolia (Lesquereux)[1]

Comb nov

Jr homonym

(Lesquereux) LaMotte

Eocene
(Priabonian)

Florissant Formation

 USA
 Colorado

A possible mountain ash species
Moved from Sorbus diversifolia (1918)
First named Myrica diversifolia (1883)
homonym of Pyrus diversifolia Bong.

Pyrus grandifolia[1]

Comb nov

(Heer) LaMotte

Paleocene

 Denmark
 Greenland

A possible mountain ash species
Moved from Sorbus grandifolia (1869)

Pyrus harneyensis[1]

Comb nov

(Axelrod) LaMotte

Pliocene

 USA
 Oregon

A possible mountain ash species
Moved from Sorbus harneyensis (1944)

Pyrus idahoensis[1]

Comb nov

(Brown) LaMotte

Oligocene

Salmon flora

 USA
 Idaho

A possible apple species
Moved from Malus idahoensis (1935)

Pyrus megaphylla[1]

Comb nov

(Cockerell) LaMotte

Eocene
Priabonian

Florissant Formation

 USA
 Colorado

A possible mountain ash species
Moved from Sorbus megaphylla (1908)

Pyrus nupta[1]

Comb nov

(Cockerell) LaMotte

Eocene
Priabonian

Florissant Formation

 USA
 Colorado

A possible mountain ash species
Moved from Sorbus nupta (1910)

Pyrus pseudoangustifolla[1]

Comb nov

(Berry) LaMotte

Pliestocene

 USA
 North Carolina

A possible apple species
Moved from Malus pseudoangustifolla (1910)

Shepherdia weaveri[1]

Comb nov

(Hollick) LaMotte

Paleocene - Eocene

"Kachemak Bay flora"

 USA
 Alaska

A possible buffaloberry species
Moved from Lepargyraea weaveri (1936)[4]

Sphaeralcea (?) exhumatum[1]

Comb nov

(Cockerell) LaMotte

Eocene
Priabonian

Florissant Formation

 USA
 Colorado

A possible globemallow species
Moved from Malvastrum (?) exhumatum (1906)

Ulmus chuchuanus[1]

Sp nom nov

valid

(Berry) LaMotte

Eocene
(Ypresian)

Okanagan Highlands
Chu Chua Formation

 Canada
 British Columbia

An elm.
New name for "Ulmus columbianus" Berry (1926)
Junior homonym of "Ulmus columbiana" Penhallow (1907)

Ulmus chuchuanus

Xanthoxylum alia[1]

Sp nom nov

LaMotte

Miocene

 Cuba

A possible Zanthoxylum species
New name for Fagara miocenica Berry, 1939) (1939)
F. miocenica a jr homonym of Fagara miocenica (Berry, 1925)

Xanthoxylum apalachacolensis[1]

Comb nov

(Berry) LaMotte

Miocene

Alum Bluff Formation

 USA
 Florida

A possible Zanthoxylum species
Moved from Fagara apalachacolensis (1916)

Xanthoxylum catahoulensis[1]

Comb nov

(Berry) LaMotte

Eocene

Catahoula Formation

 USA
 Louisiana

A possible Zanthoxylum species
Moved from Fagara catahoulensis (1916)
4 varieties also moved F. c. corlacea, F. c. elongata, F. c. major, & F. c. orbiculata

Xanthoxyium claibornensis[1]

Comb nov

(Berry) LaMotte

Eocene

Mount Selman Formation

 USA
 Texas

A possible Zanthoxylum species
Moved from Fagara claibornensis (1924)

Xanthoxyium (?) delicatula[1]

Comb nov

(Cockerell) LaMotte

Eocene
Priabonian

Florissant Formation

 USA
 Colorado

A possible Zanthoxylum species
Moved from Fagara (?) delicatula (1908)

Xanthoxylum dubium[1]

Comb nov

nomen nudum

(Lesquereux) LaMotte

Paleocene

Raton Formation

 USA
 New Mexico

A possible Zanthoxylum species
Moved from Zanthoxylum dubium (1872)
Considered nomen nudum by LaMotte

Xanthoxylum eocenica[1]

Comb nov

(Berry) LaMotte

Eocene

Lagrange Formation

 USA
 Tennessee

A possible Zanthoxylum species
Moved from Fagara eocenica (1916)

Xanthoxylum juglandianum[1]

Comb nov

(Braun) LaMotte

"Tertiary"

 Europe

A possible Zanthoxylum species
Moved from Zanthoxylum juglandianum (1878)

Xanthoxylum miocenica[1]

Comb nov

(Berry) LaMotte

Miocene

Forest Sand Formation

 Trinidad

A possible Zanthoxylum species
Moved from Fagara miocenica (1925)

Xanthroxylum petraflumensis[1]

Comb nov

(Berry) LaMotte

Eocene

Yegua Formation

 USA
 Texas

A possible Zanthoxylum species
Moved from Fagara petraflumensis (1924)

Xanthoxylum puryearensis[1]

Comb nov

(Berry) LaMotte

Eocene

Lagrange Formation

 USA
 Tennessee

A possible Zanthoxylum species
Moved from Fagara eocenica (1916)

Xanthoxyium spireaefolia[1]

Comb nov

(Lesquereux) LaMotte

Eocene
Priabonian

Florissant Formation

 USA
 Colorado

A possible Zanthoxylum species
Moved from Fagara spireaefolia (1908)
First named Zanthoxylum spireaefolium (1883)

Xanthoxylum wadii[1]

Comb nov

(Berry) LaMotte

Miocene

 Mexico
 Oaxaca

A possible Zanthoxylum species
Moved from Fagara wadii (1923)

Xanthoxylum wyomingensis[1]

Comb nov

(Berry) LaMotte

Eocene

Bridger Formation

 USA
 Wyoming

A possible Zanthoxylum species
Moved from Fagara wyomingensis (1930)

Other angiosperms

[edit]
Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Carpites interglacialis[1]

Comb nov

(Hollick) LaMotte

Miocene

St. Eugene Silts

 Canada
 British Columbia

A fruit/seed species of uncertain affinity.
Moved from Ficus interglacalis (1928)

General research

[edit]
  • Robert LaMotte publishes the Catalogue of the Cenozoic plants of North America through 1950, with numerous nomenclatural updates and corrections.[1]

References

[edit]
  1. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv bw bx by bz ca cb cc cd ce cf cg ch ci cj ck cl cm cn co cp cq cr cs ct cu cv cw cx cy cz da db dc dd de df dg dh di dj dk dl dm dn do dp dq dr ds dt du dv dw dx dy dz ea eb ec ed ee ef eg eh ei ej ek el em en eo ep eq er es et eu ev ew ex LaMotte, R.S. (1952). Catalogue of the Cenozoic plants of North America through 1950. Geological Society of America Memoirs. Vol. 51. Geological Society of America. doi:10.1130/MEM51.
  2. ^ a b c d Miller, N. G. (1980). "Fossil mosses of North America and their significance". The Mosses of North America. pp. 9–36.
  3. ^ a b c Wolfe, J.A. (1977). Paleogene floras from the Gulf of Alaska region (Report). Professional Paper. Vol. 997. United States Geological Survey. pp. 1–108. doi:10.3133/pp997.
  4. ^ a b c d e Hollick, A.; Smith, P. (1936). The Tertiary floras of Alaska, with a chapter on the geology of the Tertiary deposits (Report). Professional Paper. United States Geological Survey. pp. 1–185. doi:10.3133/pp182. 182.