1923 in paleontology

Plants Conifers Araucariaceae Name Novelty Status Authors Age Type locality Location Notes ImagesAraucarioxylon texenseSp novTorreyCretaceousComancheanGlen Rose FormationAn araucarian wood morphospecies

†Cheirolepidiaceae Name Novelty Status Authors Age Type locality Location Notes ImagesBrachyoxylon comanchenseSp novTorreyCretaceousComancheanGlen Rose FormationA cheirolepidiaceous wood morphospeciesBrachyoxylon raritanenseSp novTorreyCretaceousTuronianRaritan FormationA cheirolepidiaceous wood morphospeciesBrachyoxylon woodworthianumSp novTorreyCretaceousTuronianRaritan FormationA cheirolepidiaceous wood morphospeciesTelephragmoxylon brachyphylloidesSp novTorreyCretaceousComancheanA cheirolepidiaceous wood morphospeciesLocation given as "Weatherford, Texas"Telephragmoxylon comanchenseSp novTorreyCretaceousComancheanA cheirolepidiaceous wood morphospeciesLocation given as "Weatherford, Texas"VoltzioxylonGen et sp novjr synonymTorreyTriassic Late TriassicDockum groupA cheirolepidiaceous wood morphogenus Considered a jr synonym of Protocupressinoxylon (1949) The type species is V. dockumense

Cupressaceae Name Novelty Status Authors Age Type locality Location Notes ImagesMetacupressinoxylonGen et comb novTorreyJurassicA cupressaceous wood morphogenusThe type species is Paracupressinoxylon cedroides (1913)Paracupressinoxylon trinitenseSp novTorreyCretaceousComancheanTrinity GroupA cupressaceous wood morphospecies location given as "near Weatherford, Texas"SequoioxylonGen, sp, et comb novTorreyCretaceousMaastrichtianLaramie FormationA redwood wood morphogenus The type species is S. montanense Includes the new species S. dakotense, S. laramense Also includes Sequoia burgessii (1903)

Pinaceae Name Novelty Status Authors Age Type locality Location Notes ImagesAbies longirostrisSp novjr SynonymKnowltonOligoceneChattianCreede FormationA possible bristlecone fir species A jr synonym of Abies rigida (1990)Abies rigidaSp novvalidKnowltonOligoceneChattianCreede FormationA possible bristlecone fir speciesPinus coloradensisSp novjr synonymKnowltonOligoceneChattianCreede FormationA bristle cone pine species A jr synonym of Pinus crossii (1990)Pinus crossiiSp novValidKnowltonOligoceneChattianCreede FormationA bristle cone pine speciesPinus similisSp novjr synonymKnowltonOligoceneChattianCreede FormationA bristle cone pine species A jr synonym of Pinus crossii (1990)Pityoxylon scituatensiformeComb nov(Bailey) TorreyCretaceousTuronianRaritan FormationA pinaceous wood morphospeciesMoved from Pinus scituatensiforme (1911)Pseudotsuga annulataComb nov(Platen) TorreyPlioceneA Douglas fir wood morphospeciesMoved from Pityoxylon annulatum (1907)

Podocarpaceae Name Novelty Status Authors Age Type locality Location Notes ImagesPodocarpoxylon dakotenseSp novTorreyCretaceousLaramie groupA "podocarpaceous" wood morphospeciesPodocarpoxylon Noted by Torrey to be very similar to Cupressaceae and problematic in definition. Podocarpoxylon texenseSp novTorreyEoceneA podocarpaceous wood morphospeciesLocation given as "lignite mine at Rockdale station, Texas"

Podocarpoxylon Noted by Torrey to be very similar to Cupressaceae and problematic in definition.Podocarpoxylon washingtonenseSp novTorreyMioceneWilkes FormationA podocarpaceous wood morphospeciesLocation given as "Salmon Creek"Podocarpoxylon Noted by Torrey to be very similar to Cupressaceae and problematic in definition.

Angiosperms Basal eudicots Name Novelty Status Authors Age Type locality Location Notes ImagesOdostemon hakeaefoliaComb novJr synonym(Lesquereux) KnowltonEocenePriabonianFlorissant FormationA Mahonia speciesMoved from Lomatia hakeaefolia (1883)Moved to Mahonia hakeaefolia (1936)Specimens from Creede combined into Mahonia aceroides (1990)Odostemon(?) marginataComb novJr synonym(Lesquereux) KnowltonEocenePriabonianFlorissant FormationA Mahonia speciesMoved from Hedera marginata (1883)Moved to Mahonia marginata (1936)Specimens from Creede combined into Mahonia aceroides (1990)

Superroids Fagales Name Novelty Status Authors Age Type locality Location Notes ImagesAlnus? larseniSp novjr synonymKnowltonOligoceneChattianCreede FormationFirst identified as a possible Alder species Moved to Populus larsenii (1990)Rubus? inquirendusSp novKnowltonOligoceneChattianCreede FormationA possible bramble species flower

Malvales Name Novelty Status Authors Age Type locality Location Notes ImagesSterculia aceroidesSp novJr synonymKnowltonOligoceneChattianCreede FormationFirst identified as a Sterculia speciesMoved to Mahonia aceroides (1990)

Incertae sedis Name Novelty Status Authors Age Type locality Location Notes ImagesPhyllites potentilloidesSp novjr synonymKnowltonOligoceneChattianHuerto FormationFirst identified as a leaf of uncertain affiliationMoved to Sorbus potentilloldes (1987)

Arthropoda Insects Name Novelty Status Authors Age Unit Location Notes ImagesArchimyrmexGen et sp nov validCockerellEoceneLutetianGreen River FormationA myrmeciine ant The type species is A. rostratus

Archosauromorpha Dinosaurs New taxa Taxon Novelty Status Author(s) Age Unit Location Notes Images AltispinaxHuene, F. von. 1923. Carnivorous Saurischia in Europe since the Triassic. Bull. Geol. Soc. America 34: pp. 449-458. Gen. et sp. nov. Valid Huene Valanginian Wadhurst Clay Formation A possible carcharodontosaurid Corythosaurus excavatus Sp. nov. Jr. synonym Gilmore Campanian Dinosaur Park Formation Junior synonym of Corythosaurus intermedius Corythosaurus intermedius Sp. nov. Valid Parks Campanian Dinosaur Park Formation A species of Corythosaurus Lambeosaurus Gen. et sp. nov. Valid Parks Campanian Dinosaur Park Formation A lambeosaurine hadrosaurid LametasaurusMatley, C.A. 1923. Note on an armoured dinosaur from the Lameta beds of Jubbulpore. Rec. Geol. Survey India 55 (2): pp. 105-109. Gen. et sp. nov Nomen dubium Matley Maastrichtian Lameta Formation A composite of abelisaurid and titanosaur remains PentaceratopsOsborn, H.F. 1923. A new genus and species of Ceratopsia from New Mexico, Pentaceratops stennbergi. Amer. Mus. Novitates 93: pp. 1-3. Gen. et sp. nov. Valid Osborn Campanian Kirtland Formation A chasmosaurine ceratopsid Protiguanodon Gen. et sp. nov. Junior synonym Osborn Barremian Öösh Formation A junior synonym of Psittacosaurus. ProtoceratopsGranger, W. and W.K. Gregory. 1923. Protoceratops andrewsi, a preceratopian dinosaur from Mongolia. Amer. Museum Novitates 42: pp. 1-9. Gen. et sp. nov. Valid Granger & Gregory Campanian Djadochta Formation A protoceratopsid ceratopsian "Protrachodon"B. F. Nopcsa. 1923. On the geological importance of the primitive reptilian fauna in the uppermost Cretaceous of Hungary; with a description of a new tortoise (Kallokibotion). Quarterly Journal of the Geological Society 74:100-116 Nomen nudum Nopcsa Maastrichtian Haţeg Basin Mentioned in passing during discussion of Orthomerus PsittacosaurusOsborn, H.F. 1923. Two Lower Cretaceous dinosaurs from Mongolia. Amer. Mus. Novitates 95: pp. 1-10. Gen. et sp. nov. Valid Osborn Barremian Öösh Formation A psittacosaurid ceratopsian. Thecocoelurus Gen. nov. Nomen dubium Huene Barremian Wessex Formation New genus for "Thecospondylus" daviesi Seeley, 1888

Pterosaurs New taxa Name Status Authors Age Unit Location NotesImages Anurognathus Valid Döderlein TithonianSolnhofen LimestoneAn anurognathid. a Pterosaur with a Bat-like lifestyle.

Synapsids

Non-mammalian

Name Status Authors Age Location Notes ImagesBurnetiaValid Robert Broom 255 million years ago A biarmosuchian, a member of Burnetiidae. with weird-looking knobs on its head.DinophoneusJunior synonym Robert Broom A titanosuchid. Junior synonym of Jonkeria.

References