1926 in paleontology

none 1926 paleontology science 1926 Algae Bacillariophyceae Name Novelty Status Authors Age Unit Location Notes ImagesCymbella partitaMann A. 1926 The fossil diatom deposit at Spokane. In: Flora of the Latah Formation of Spokane, Washington, and Coeur d'Alene, Idaho Shorter contributions to general geology, 1925 Professional Paper United States Geological Survey 140 51–55, plates XXX-XXXI 10.3133/pp140A https://pubs.usgs.gov/pp/0140a/report.pdfsp novMannMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA cymbellaceous diatomthumb|center|upright|Cymbella partitaCymbella sagittariussp novMannMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA cymbellaceous diatomthumb|center|upright|Cymbella sagittariusNavicula contendenssp novMannMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA naviculaceous diatomthumb|center|upright|Navicula contendensNavicula iridescenssp novjr synonymMannMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA naviculaceous diatomMoved to Neidium iridescens (1975)thumb|center|upright|Neidium iridescensNavicula paupersp novMannMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA naviculaceous diatomthumb|center|upright|Navicula pauperNavicula pontificasp novMannMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA naviculaceous diatomthumb|center|upright|Navicula pontificaNavicula protrudenssp novMannMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA naviculaceous diatomthumb|center|upright|Navicula protrudensNavicula pseudoaffinissp novMannMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA naviculaceous diatomthumb|center|upright|Navicula pseudoaffinisNavicula reversasp novMannMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA naviculaceous diatomthumb|center|upright|Navicula reversaNavicula substauroneissp novMannMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA naviculaceous diatomthumb|center|upright|Navicula substauroneisStauroneis (Navicula) acutissimasp novMannMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA stauroneidaceous diatomthumb|center|upright|Stauroneis acutissima Plants Mosses Name Novelty Status Authors Age Unit Location Notes ImagesArchaeomniumKnowlton F.H. 1926 Flora of the Latah Formation of Spokane, Washington, and Coeur d'Alene, Idaho Shorter contributions to general geology, 1925 Professional Paper United States Geological Survey 140 17–55, plates VIII-XXXI 10.3133/pp140A https://pubs.usgs.gov/pp/0140a/report.pdfGen et sp novjr synonymBrittonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA moss of uncertain affiliationSynonymized with Hypnites (1980)The type species is A. patensthumb|center|upright|Hypnites patensPolytrichitesGen et sp novvalid?BrittonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA possible polytrichaceous mossThe type species is P. spokanensisthumb|center|upright|Polytrichites spokanensis Lycopods Name Novelty Status Authors Age Unit Location Notes ImagesLycopodium hesperiumSp novNomen dubium?KnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoA possible lycopod clubmoss Treated as a plant of uncertain affinity by Chaney & Axelrod 1959Chaney R. Axelrod D. 1959 Miocene Floras of the Columbia Plateau: Part II. Systematic Considerations, by Ralph W. Chaney and Daniel I. Axelrod Carnegie Institution of Washington 1–226uc1.c099384505 Miocene Floras of the Columbia Plateauthumb|center|upright|Lycopodium hesperium Conifers Name Novelty Status Authors Age Unit Location Notes ImagesLibocedrus praedecurrensSp novjr synonymKnowltonMioceneLanghianLatah FormationPotlatch FloruleUSAIdahoA sandarac species Moved to Fokienia praedecurrens (1959)Moved to Fokieniopsis praedecurrens (1997).Meyer H. W. Manchester S. R. 1997 The Oligocene Bridge Creek flora of the John Day Formation, Oregon University of California Press 99 https://www.researchgate.net/publication/269393528 0520098161 2021-03-28 Moved to Tetraclinis salicornioides var. praedecurrens (2000)Kvaček Z. Manchester S. Schorn H. 2000 Cones, seeds, and foliage of Tetraclinis salicornioides (Cupressaceae) from the Oligocene and Miocene of western North America: a geographic extension of the European Tertiary species International Journal of Plant Sciences 161 2 331–344 10.1086/314245 10777457 thumb|center|upright|Tetraclinis salicornioides var. praedecurrensTumion bonseriSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA plum-yew species Moved to Torreya bonseri (1952)Moved to Cephalotaxus bonseri (1959)thumb|center|upright|Cephalotaxus bonseri Angiosperms Monocots Name Novelty Status Authors Age Unit Location Notes ImagesArisaema hesperiaSp novvalid?KnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoA possible araceous monocot Sometimes had been treated as a jr synonym of Liquidambar pachyphyllumLaMotte R.S. 1952 Catalogue of the Cenozoic plants of North America through 1950 Geological Society of America Memoirs Geological Society of America 51 10.1130/MEM51thumb|center|upright|Arisaema hesperiaCanna? dawsoniSp novjr synonymBerryEoceneBurrard FormationCanadaBritish ColumbiaA possible cannaceous leaf species synonymized with Cannophyllites magnifolia in 1949 Basal eudicots Name Novelty Status Authors Age Unit Location Notes ImagesTrochodendroidesGen et comb novBerryGreenlandA Trochodenraceous leaf morphogenus.The type species is Populus arctica (1868) Superasterids - basal Name Novelty Status Authors Age Unit Location Notes ImagesDiospyros andersonaeSp novJr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA persimmon leaf speciesSynonymized into Diospyros oregoniana (1959) thumb|center|upright|Diospyros oregonianaDiospyros dawsoniSp novBerryEoceneYpresianOkanagan HighlandsChu Chua FormationCanadaBritish ColumbiaA persimmon leaf speciesDiospyros? microcalyxSp novJr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a persimmon calyx species.Moved to Porana microcalyx (1929)Berry E. W. 1929 Shorter contributions to general geology, 1928 A revision of the flora of the Latah Formation Professional Paper United States Geological Survey 10.3133/pp154h free 154-H 225–265 https://pubs.usgs.gov/pp/0154h/report.pdfMoved to Remberella microcalyx (2024)Manchester S.R. Judd W.S. 2024 Remberella, a new genus of extinct ericalean flower from the Middle Miocene Latah flora of Washington and Idaho, USA Acta Palaeobotanica 64 2 413–421 10.35535/acpa-2024-0016 free thumb|center|upright|Remberella microcalyxVaccinium salicoidesSp novvalid?KnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoFirst named as a huckleberry leaf speciesSynonymized into Vaccinium americanum (1929) Resurrected as a species of uncertain affinity (1959) thumb|center|upright|Vaccinium salicoides Superrosids - Fabids Name Novelty Status Authors Age Unit Location Notes ImagesAlnus cremastogynoidesBerry E. 1926 Tertiary floras from British Columbia Geological series; Contributions to Canadian Paleontology 91–116 Geological Survey of Canada Ottawa, Canada https://ftp.maps.canada.ca/pub/nrcan_rncan/publications/STPublications_PublicationsST/293/293661/mb_042.pdf 10.4095/293661 2023-06-02 2022-08-15 https://web.archive.org/web/20230602094640/https://ftp.maps.canada.ca/pub/nrcan_rncan/publications/STPublications_PublicationsST/293/293661/mb_042.pdf dead Sp novBerryEoceneYpresianChu Chua FormationCanadaBritish ColumbiaAn alder leaf speciesAlnus crispoidesSp novBerryEoceneYpresianChu Chua FormationCanadaBritish ColumbiaAn alder leaf speciesBetula bryaniSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a birch leaf speciesSynonymized into Alnus fairi (1937)Brown R. W. 1937 Additions to some fossil floras of the Western United States Professional Paper United States Geological Survey 186 163–206 10.3133/pp186J https://pubs.usgs.gov/pp/0186j/report.pdfthumb|center|upright|Alnus fairiBetula fairiiSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a birch leaf speciesMoved to Alnus fairi (1966)Wolfe J.A. 1966 Tertiary plants from the Cook Inlet region, Alaska Professional Paper United States Geological Survey 398B 1–32 10.3133/pp398B https://pubs.usgs.gov/pp/0398b/report.pdf free thumb|center|upright|Alnus fairiBetula? largeiSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a birch leaf speciesSynonymized into Alnus fairi (1937)Resurrected and moved to Alnus largei (1966)thumb|center|upright|Alnus largeiBetula nanoidesSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoFirst named as a birch leaf speciesSynonymized into Alnus fairi (1934)Berry E. W. 1934 Miocene plants from Idaho Professional Paper United States Geological Survey 185 97–125 10.3133/pp185E https://pubs.usgs.gov/pp/0185e/report.pdfthumb|center|upright|Alnus fairiBetula parvifoliaSp novjr synonymBerryEoceneYpresianChu Chua FormationCanadaBritish ColumbiaFirst named as a birch leaf speciesMoved to Alnus parvifolia (1987)Wolfe J.A. Wehr W.C. 1987 Middle Eocene dicotyledonous plants from Republic, northeastern Washington Bulletin United States Geological Survey 1597 1–25 10.3133/b1597 free thumb|center|upright|Alnus parvifoliaBetula thorSp novvalidKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a birch leaf speciesSynonymized into Betula heteromorpha (1937)Resurrected as Betula thor (1959)thumb|center|upright|Betula thorCelastrophyllum pugetensisSp novBerryEoceneBurrard FormationCanadaBritish ColumbiaA possible celastraceous leaf speciesCelastrus fernquistiSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoFirst named as a Celastrus leaf speciesSynonymized into Alnus fairi (1937)thumb|center|upright|Alnus fairiCercis? spokanensisSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a redbud fruit speciesMoved to Caesalpinia spokanensis (1991)Herendeen P. S. Dilcher D. L. 1991 Caesalpinia subgenus Mezoneuron (Leguminosae, Caesalpinioideae) from the Tertiary of North America American Journal of Botany 78 1 1–12 2445223 10.1002/j.1537-2197.1991.tb12566.xthumb|center|upright|Caesalpinia spokanensisComptonia predryandroidesSp novBerryEoceneYpresianChu Chua FormationCanadaBritish ColumbiaA myricaceous leaf speciesFicus? johnstoniSp novBerryEoceneBurrard FormationCanadaBritish ColumbiaA possible moraceous leaf speciesFicus? washingtonensisSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoFirst named as a fig leaf speciesSynonymized into Cercis spokanensis (1937) Synonymized into Exbucklandia oregonesis (1946)Brown R.W. 1946 Alterations in some fossil and living floras Journal of the Washington Academy of Sciences 36 10 344–355thumb|center|upright|Exbucklandia oregonensisHicoria dawsoniSp novjr synonymBerryEoceneYpresianChu Chua FormationCanadaBritish ColumbiaA punitive hickory leaf speciesMoved to Carya dawsoni in 1952Hicoria stanleyanumcomb novjr synonym(Dawson) BerryEoceneBurrard FormationCanadaBritish ColumbiaA punitive hickory leaf speciesMoved from Dryophyllum stanleyanum (1895)Moved to Carya stanleyanum in 1952Juglans nigelloidesSp novBerryEoceneBurrard FormationCanadaBritish ColumbiaA juglandaceous leaf speciesLeguminosites johnstoniSp novBerryEoceneYpresianBurrard FormationCanadaBritish ColumbiaA legume leaf morphospecies.Meibomites lucensSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoFirst named as a Meibomites leaf speciesSynonymized into Cercis spokanensis (1937) Synonymized into Exbucklandia oregonesis (1946)Myrica uglowiSp novJr synonymBerryEoceneYpresianChu Chua FormationCanadaBritish ColumbiaA myricaceous leaf species synonymized with Bohlenia insignis in 1987.Populus acuminatafoliaSp novBerryEoceneYpresianChu Chua FormationCanadaBritish ColumbiaA cottonwood leaf speciesPopulus fairiiSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a cottonwood leaf speciesSynonymized with Zizyphoides auriculata (1991)Manchester S. R. Crane P. R. Dilcher D. L. 1991 Nordenskioldia and Trochodendron fruits (Trochodendraceae) from the Miocene of northwestern North America. Botanical Gazette 152 357–368 10.1086/337898 84230472 thumb|center|upright|Zizyphoides auriculataPopulus heteromorphaSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a cottonwood leaf speciesSynonymized with Zizyphoides auriculata (1991)thumb|center|upright|Zizyphoides auriculataPopulus washingtonensisSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoFirst named as a cottonwood leaf speciesMoved to Vitus washingtonensis (1937)thumb|center|upright|Vitis washingtonensisPrunus rustiiSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoFirst named as a cherry leaf speciesSynonymized into Alnus corallina (1937) Synonymized into Alnus hollandiana (1959)thumb|center|upright|Alnus hollandianaQuercus chaneyiSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonAn oak leaf speciesSynonymized with Quercus simulata (1929)thumb|center|upright|Quercus simulataQuercus cognatusSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoAn oak leaf speciesSynonymized with Quercus payettensis (1937)thumb|center|upright|Quercus payettensisQuercus obtusaSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonAn oak leaf speciesSynonymized with Quercus payettensis (1937)thumb|center|upright|Quercus payettensisQuercus praenigraSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoAn oak leaf speciesSynonymized with Quercus payettensis (1937)thumb|center|upright|Quercus payettensisQuercus rustiiSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoAn oak leaf speciesSynonymized with Quercus payettensis (1937)thumb|center|upright|Quercus payettensisQuercus spokanensisSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoFirst named as an oak leaf speciesSynonymized with Castanea orientalis (1929)Resurrected as Castanea spokanensis (1959)thumb|center|upright|Castanea spokanensisQuercus uglowiSp novBerryEoceneYpresianChu Chua FormationCanadaBritish ColumbiaA oak leaf speciesRhamnus kitsilanianaSp novBerryEoceneBurrard FormationCanadaBritish ColumbiaA buckthorn leaf morphospecies.Salix bryaniSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA willow leaf speciesSynonymized into Salix florissanti (1934) Synonymized into Salix hesperia (1959)thumb|center|upright|Salix hesperiaSalix inquirendaSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA willow leaf speciesSynonymized into Salix hesperia (1944)Condit C. 1944 The Remington Hill flora Carnegie Institution of Washington Publication 553 2 21–55thumb|center|upright|Salix hesperiaSalix remotidensSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA willow leaf speciesSynonymized into Salix hesperia (1944)thumb|center|upright|Salix hesperiaSophora alexanderiSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoA Sophora leaf speciesSynonymized into Sophora spokanensis (1937)thumb|center|upright|Sophora spokanensisSophora spokanensisSp novKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA Sophora leaf speciesthumb|center|upright|Sophora spokanensisSorbus decorifoliaSp novBerryEoceneYpresianChu Chua FormationCanadaBritish ColumbiaA punitive mountain ash leaf speciesUlmus columbianussp novjr homonymBerryEoceneYpresianChu Chua FormationCanadaBritish ColumbiaAn elm leaf species Name preoccupied by Ulmus columbianus Penhallow (1907)Moved to Ulmus chuchuanus in 1952.thumb|center|upright|Ulmus chuchuanusUlmus fernquistiSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as an elm leaf speciesSynonymized into Zelkova oregoniana (1937)Moved to Zelkova browni (1977)Tanai T. Wolfe J.A. 1977 Revisions of Ulmus and Zelkova in the middle and late Tertiary of western North America Professional Paper United States Geological Survey 1026 1–14 10.3133/pp1026 free https://digital.library.unt.edu/ark:/67531/metadc944636/m2/1/high_res_d/report.pdf thumb|center|upright|Zelkova browni Superrosids - Malvids Name Novelty Status Authors Age Unit Location Notes ImagesAcer chaneyiWolfe J.A. Tanai T. 1987 Systematics, Phylogeny, and Distribution of Acer (maples) in the Cenozoic of Western North America Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and Mineralogy 22 1 1–246 Sp novValidKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA maple speciesthumb|center|upright|Acer chaneyiMalva? hesperiaSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a possible mallow fruit speciesSynonymized with Nordenskioldia interglacialis (1991)thumb|center|upright|Nordenskioldia interglacialis Angiosperms - other Name Novelty Status Authors Age Unit Location Notes ImagesCarpites boraginoidesSp novvalid?KnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoA fruit or seed of uncertain affinity Suggested to possibly be boraginaceous or malvaceousthumb|center|upright|Carpites boraginoidesCarpites ginkgoidesSp novvalid?KnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoA fruit or seed of uncertain affinityStrongly similar to modern Ginkgo biloba fruits.thumb|center|upright|Carpites ginkgoidesCarpites magnificaSp novvalid?KnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoA fruit or seed of uncertain affinityMoved to Nyssa magnifica (1929)thumb|center|upright|Nyssa magnificaCarpites menthoidesSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a fruit of uncertain affinitySynonymized into Nordenskioldia interglacialis (1991)thumb|center|upright|Nordenskioldia interglacialisCarpites paulowniaSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleUSAIdahoA fruit or seed of uncertain affinitySynonymized into Gordonia hesperia (1937) Synonymized into Gordonia idahoensis (1959)thumb|center|upright|Gordonia idahoensisCarpites polygonoidesSp novvalid?KnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonA fruit or seed of uncertain affinity Reminiscent of Rumex fruitsthumb|center|upright|Carpites polygonoidesCarpites spokanensisSp novvalid?KnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonSeed or other reproductive organs of uncertain affinityBrown (1937) suggested as bud scalesthumb|center|upright|Carpites spokanensisPhyllites amplexicaulisSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a fruit of uncertain affinitySynonymized with Nordenskioldia interglacialis (1991)thumb|center|upright|Nordenskioldia interglacialisPhyllites crustaceaSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a leaf of uncertain affinitySynonymized into Zelkova oregoniana (1937)Synonymized into Quercus simulata (1959)thumb|center|upright|Quercus simulataPhyllites pardeeiSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a leaf of uncertain affinityMoved to Philadelphus pardeei (1937)thumb|center|upright|Philadelphus pardeeiPhyllites peculiarisSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a leaf of uncertain affinitySynonymized into Philadelphus pardeei (1937)thumb|center|upright|Philadelphus pardeeiPhyllites relatusSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a leaf of uncertain affinityMoved to Alnus relatus (1937)thumb|center|upright|Alnus relatusPhyllites sophoroidesSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleUSAWashingtonFirst named as a leaf of uncertain affinityMoved to Vaccinium sophoroides (1937)thumb|center|upright|Vaccinium sophoroides Conodonts Name Novelty Status Authors Age Unit Location Notes ImagesAncyrodellaA classification of the toothlike fossils, conodonts, with descriptions of American Devonian and Mississippian species. EO Ulrich and RS Bassler, 1926ValidUlrich & Bassler Amphibians Name Novelty Status Authors Age Unit Location Notes ImagesCrassigyrinusGen et comb novjr synonymWatsonA new genus for Macromerium scoticumthumb|center|upright|Crassigyrinus Newly named basal diapsids Name Novelty Status Authors Age Unit Location Notes ImagesCoelurosauravusPiveteau, J. 1926. Contribution to the Study of the Lagoonal Formations of Northwest Madagascar. Bull. Soc. Géol. Fr. (4), XXVI: p. 3. ValidPiveteauMadagascarA weigeltisaurid gliding Reptilethumb|center|upright|Coelurosauravus Dinosaurs Taxon Novelty Status Author(s) Age Unit Location Notes Images ProceratosaurusHuene F. 1926a On several known and unknown reptiles of the order Saurischia from England and France Annals and Magazine of Natural History 9 17 473–489 10.1080/00222932608633437 Gen. nov. Valid von Huene Bathonian Forest Marble Formation England A new genus name for Megalosaurus bradleyi 200px Rhoetosaurus browneiLongman H.A. 1926 A giant dinosaur from Durham Downs, Queensland Memoirs of the Queensland Museum 8 183–194 Gen. et sp. nov. Valid Longman Oxfordian Walloon Coal Measures Queensland An early sauropod Thespesius saskatchewanensisSternberg C.M. 1926 A new species of Thespesius from the Lance Formation of Saskatchewan Canada Department of Mines Geological Survey Bulletin (Geological Series) 44 46 73–84 Sp. nov. Jr. synonym Sternberg Maastrichtian Frenchman Formation Saskatchewan A species of Thespesius now a synonym of Edmontosaurus annectens Synapsids Non-mammalian Name Novelty Status Authors Age Unit Location Notes ImagesChiwetasaurusJunior synonymHaughtonLate PermianLopingianBeaufort GroupCistecephalus Assemblage ZoneSouth AfricaA junior synonym of Gorgonops.DixeyaJunior synonymHaughtonLate PermianTeekloof FormationTropidostoma Assemblage ZoneSouth AfricaA junior synonym of Aelurognathus. References Category:1920s in paleontology Paleontology 6