Plants Angiosperms Name Novelty Status Authors Age Unit Location Notes ImagesCrucipteraGen et comb novvalidBrownMiddle EoceneClarno FormationA walnut relative. Moved from Tetrapteris simsoni (1940)SolerederaGen et sp novValidErwin & StockeyEoceneYpresianOkanagan HighlandsPrinceton ChertA lilialean genus of uncertain placement
Arthropods Insects Name Novelty Status Authors Age Unit Location Notes ImagesAnochetus brevidentatusSp novValid MacKayBurdigalianDominican amberA ponerin antStenolestes hispanicusSp novValidNelVallesianBellver de CerdanyaA sieblosiid damselfly
Mollusca
Newly named bivalves Name Novelty Status Authors Age Unit Location Notes ImagesSimilodonta wahliSp novValid IsakarLate OrdovicianArina Formation
Archosauromorphs Sankar Chatterjee's discovery of a possible Triassic bird, Protoavis, if genuine, would push avian origins back almost 70 million years. The find ignites controversy over the connection between dinosaurs and birds.
Newly named dinosaurs Data courtesy of George Olshevsky's dinosaur genera list.
Name Status Authors Age Unit Location NotesImages AlvarezsaurusBonaparte, J.F. 1991. Los vertebrados fosiles de la Formacion Rio Colorado de Neuquen y cercanias, Cretacico Superior, Argentina. Revista del Museo Argentino de Ciencias Naturales "Bernardino Revidadia" Paleontologia 4 (3): pp. 17-23. Valid taxon Jose BonaparteLate Cretaceous (Santonian)Bajo de la Carpa Formation An alvarezsaurid. AmargasaurusSalgado, L. and J.F. Bonaparte. 1991. Un Nuevo sauropodo Dicraeosauridae, Amargasaurus gen. et sp. nov., de la Formacion La Amarga, Neocomiano de la Provincia del Nuequen, Argentina. Ameghiniana 28: pp. 333-346. Valid taxonSalgado and Jose BonaparteEarly Cretaceous (Barremian)La Amarga Formation A dicraeosaurid. with Spines on its Neck AmurosaurusBolotsky, Yu. L. and S.K. Kurzanov. 1991. The hadrosaurs of the Amur region. In: Geology of the Pacific Border: pp.94-103. Valid taxon Bolotsky & KurzanovLate Cretaceous (Maastrichtian)Udurchukan Formation A lambeosaurine hadrosaurid. AndesaurusCalvo, J.O. and J.F. Bonaparte, J.F. 1991. Andesaurus delgadoi gen. et sp. nov. (Saurischia-Sauropoda), dinosaurio Titanosauridae de la Formación Río Limay (Albiano-Cenomaniano), Neuquén, Argentina. Ameghiniana 28: pp. 303-310. Valid taxon Calvo and BonaparteLate Cretaceous (Santonian)Bajo de la Carpa Formation An alvarezsaurid. BecklespinaxOlshevsky, G. 1991. A Revision of the Parainfraclass Archosauria Cope, 1869, Excluding the Advanced Crocodylia. Mesozoic Meanderings 2 (1st printing): iv + 196 pages. Junior synonymGeorge Olshevsky.Early Cretaceous (Valanginian)Wadhurst Clay Formation A junior objective synonym of Altispinax; new genus for "Acrocanthosaurus" altispinax Paul (1988). EuronychodonTelles-Antunes, M. and D. Sigogneau-Russell, 1991. Nouvelles donnees sur les Dinosaures du Cretae superieur du Portugal. Compte rendu hebdomadaire des séances de l’Académie des Sciences Paris, tomo 313, seire 2: pp. 113-119. Valid taxonTelles-Antunes & Sigogneau-RussellLate Cretaceous (Maastrichtian) A troodontid. JanenschiaWild, R. 1991. Janenschia n. g. robusta (E.Frass 1908) pro Tornieria robusta (E. Fraas 1908) (Reptilia, Saurischia, Sauropodomorpha). Stuttgarter Beiträge zur Naturkunde Serie B (Geologie und Paleontologie) 173: pp. 1-4. Valid taxon WildLate Jurassic (Kimmeridgian-Tithonian)Tendaguru Formation A non-titanosauriform macronarian; new genus for "Gigantosaurus" robustus E. Fraas (1908). Protognathosaurus Valid taxon George OlshevskyMiddle Jurassic (Bajocian)Xiashaximiao Formation A sauropod of uncertain affinities. "Rioarribasaurus"Hunt, A.P. and S.G. Lucas. 1991. Rioarribasaurus, a new name for a Late Triassic dinosaur from New Mexico (USA). Paläontologische Zeitschrift 6 (3/4): pp. 191-198. Junior synonymHunt & S.G. LucasLate Triassic (late Norian-Rhaetian)A junior synonym of Coelophysis. "Seismosaurus"Gillette. D.D. 1991. Seismosaurus halli, gen. et sp. nov., a new sauropod dinosaur from the Morrison Formation (Upper Jurassic/Lower Cretaceous) of New Mexico, USA. J. Vertebr. Paleontol. 11 (4): pp. 417-433. Junior synonymGillette TarascosaurusLe Loeuff, J. and E. Buffetaut. 1991. Tarascosaurus salluvicus, new genus new species, a theropod dinosaur from the Upper Cretaceous of southern France. Geobios 24 (5): pp. 585-594. Valid taxonLe Loeuff and Buffetaut Taveirosaurus Valid taxonTelles-Antunes & Sigogneau-Russell Late Cretaceous An ornithischian of unknown affinities. TochisaurusKurzanov, S.M. and H. Osmolska. 1991. Tochisaurus nemegtensis gen. et sp. n., a new troodontid (Dinosauria, Theropoda) from Mongolia. Acta Palaeont. Polonica. 36 (1): pp. 69-76. Valid taxonKurzanov and OsmolskaCretaceous "Ultrasauros" Junior synonymGeorge OlshevskyLate Jurassic (Kimmeridgian)Morrison FormationJunior synonym of Supersaurus; replacement name for Ultrasaurus Jensen 1985 (preoccupied). Valdoraptor Valid taxon George OlshevskyEarly Cretaceous (late Valanginian)Tunbridge Wells Formation An ornithomimosaur; new genus for "Megalosaurus" oweni Lydekker (1889). Velocisaurus Valid taxonJose Bonaparte A Noasaur.
Newly named birds Name Status Novelty Authors Age Unit Location Notes ImagesAidemedia chascax ValidSp. nov.Helen F. James
Storrs L. OlsonHoloceneOahu ()A Fringillidae, Carduelinae.Aidemedia lutetiae ValidGen. nov. et Sp. nov.Helen F. James
Storrs L. OlsonHoloceneMolokai ()A Fringillidae, Carduelinae, this is the type species of the new genus.Aidemedia zanclops ValidSp. nov.Helen F. James
Storrs L. OlsonHoloceneOahu ()A Fringillidae, Carduelinae.Apteribis brevis ValidSp. nov.Storrs L. Olson
Helen F. JamesHoloceneMaui ()A Threskiornithidae.Asiahesperornis bazhanovi ValidGen. nov. et Sp. nov.Lev A. Nessov
B. V. PrizemlinLate CretaceousLate Campanian-Early Maastrichtian,
Eginsai Formation A Hesperornithiformes Fürbringer, 1888, Hesperornithidae Marsh, 1872.Branta hylobadistes ValidGen. nov. et Sp. nov.Storrs L. Olson
Helen F. JamesHoloceneMaui ()An Anatidae.Chelychelynechen quassus ValidGen. nov. et Sp. nov.Storrs L. Olson
Helen F. JamesHoloceneKauai ()An Anatidae, a moa-nalo, this is the type species of the genus.Chloridops regiskongi ValidSp. nov.Helen F. James
Storrs L. OlsonHoloceneOahu ()A Fringillidae, Carduelinae.Chloridops wahi ValidSp. nov.Helen F. James
Storrs L. OlsonHoloceneOahu ()A Fringillidae, Carduelinae.Circus dossenus ValidSp. nov.Storrs L. Olson
Helen F. JamesHoloceneMolokai ()An Accipitridae.Ciridops tenax ValidSp. nov.Helen F. James
Storrs L. OlsonHoloceneKauai ()A Fringillidae, Carduelinae.Corvus impluviatus ValidSp. nov.Helen F. James
Storrs L. OlsonHoloceneOahu ()A Corvidae.Corvus viriosus ValidSp. nov.Helen F. James
Storrs L. OlsonHoloceneOahu ()A Corvidae.Dendroscansor decurvirostris ValidGen. nov et Sp. nov.Philip R. Millener
Trevor H. WorthyLate PleistoceneOtira Glacial Age An Acanthisittidae.Grallistrix auceps ValidSp. nov.Storrs L. Olson
Helen F. JamesHoloceneKauai ()A Strigidae.Grallistrix erdmani ValidSp. nov.Storrs L. Olson
Helen F. JamesHoloceneMaui ()A Strigidae.Grallistrix geleches ValidGen. nov. et Sp. nov.Storrs L. Olson
Helen F. JamesHoloceneMolokai ()A Strigidae, the type species of the new genus.Grallistrix orion ValidSp. nov.Storrs L. Olson
Helen F. JamesHoloceneOahu ()A Strigidae.Hemignathus upupirostris ValidSp. nov.Helen F. James
Storrs L. OlsonHoloceneKauai ()A Fringillidae, Carduelinae, transferred to the genus Akialoa Olson et James, 1995 by Olson et James, 1995.Horusornis vianeyliaudae ValidGen. nov et Sp. nov.Cécile Mourer-ChauviréLate EocenePhosphorites du Quercy
MP 17 An Accipitriformes, Horusornithidae Mourer-Chauviré, 1991, this is the type species of the new genus.Orthiospiza howarthi ValidGen. nov et Sp. nov.Helen F. James
Storrs L. OlsonHoloceneMaui ()A Fringillidae, Carduelinae, this is the type species of the new genus.Palaeocryptonyx hungaricus ValidSp. nov.Dénes JánossyLate MioceneMN 13 A Phasianidae, transferred to the genus Plioperdix Kretzoi, 1955 as Plioperdix hungarica Comb. nov. by Nikita V. Zelenkov & Andrey V. Panteleyev.Pavo aesculapi phasianoides ValidSubsp. nov.Dénes JánossyLate Miocene A member of the family Phasianidae. Originally described as a subspecies of Pavo aesculapi; Zelenkov (2016) transferred it to the genus Syrmaticus and raised it to the rank of a separate species Syrmaticus phasianoides.Phalacrocorax kuehneanus ValidSp. nov.Thomas SchlüterLate PlioceneMinjingu A Phalacrocoracidae.Phoeniconaias siamensis ValidSp. nov.Jacques Cheneval
Léonard Ginsburg
Cécile Mourer-Chauviré
Benjavun RatanasthienLate Early MioceneLi Mae A Phoenicopteridae.Porzana estramosi veterior ValidSubsp. nov.Dénes JánossyLate Miocene A member of the family Rallidae. Originally described as a subspecies of Porzana estramosi; Zelenkov (2017) transferred it to the genus Zapornia and raised it to the rank of a separate species Zapornia veterior.Porzana keplerorum ValidSp. nov.Storrs L. Olson
Helen F. JamesHoloceneMaui ()A Rallidae.Porzana menehune ValidSp. nov.Storrs L. Olson
Helen F. JamesHoloceneMolokai ()A Rallidae.Porzana ralphorum ValidSp. nov.Storrs L. Olson
Helen F. JamesHoloceneOahu ()A Rallidae.Porzana severnsi ValidSp. nov.Storrs L. Olson
Helen F. JamesHoloceneMaui ()A Rallidae.Porzana ziegleri ValidSp. nov.Storrs L. Olson
Helen F. JamesHoloceneOahu ()A Rallidae.Protoavis texensis ValidGen. nov. et Sp. nov.Sankar ChatterjeeLate TriasLate Carnian-Early Norian ()A Protoaviformes Chatterjee, 1991, Protoaviformes Chatterjee, 1991, the type and only species of the genus, no longer considered a bird.Pseudodontornis tshulensis ValidSp. nov.Aleksandr O. Averianov
Andrei V. Panteleyev
Olga R. Potapova
Lev A. NessovLate PaleoceneLandenian A Pseudodontornithidae Lambrecht, 1933.Pseudoseisuropsis nehuen ValidGen. nov. et Sp. nov.Jorge I. NoriegaEarly PleistoceneMiramar Formation A Furnariidae, Philydorinae, this is the type species of the new genus.Ptaiochen pau ValidGen. nov. et Sp. nov.Storrs L. Olson
Helen F. JamesHoloceneMaui ()An Anatidae, a moa-nalo, this is the type species of the genus.Pterodroma jugabilis ValidSp. nov.Storrs L. Olson
Helen F. JamesHoloceneOahu ()A Procellariidae.Rallicrex polgardiensis ValidSp. nov.Dénes JánossyLate MioceneMN 13 A member of the family Rallidae. Originally described as a species of Rallicrex; Zelenkov (2017) transferred this species to the genus Rallus.Telespiza persecutrix ValidSp. nov.Helen F. James
Storrs L. OlsonHoloceneOahu, Kauai ()A Fringillidae, Carduelinae.Telespiza ypsilon ValidSp. nov.Helen F. James
Storrs L. OlsonHoloceneMolokai, Maui ()A Fringillidae, Carduelinae.Thambetochen xanion ValidSp. nov.Storrs L. Olson
Helen F. JamesHoloceneOahu ()An Anatidae, a moa-nalo.Tyto campiterrae ValidSp. nov.Dénes JánossyLate MioceneMN 13 A Tytonidae.Vangulifer mirandus ValidGen. nov. et Sp. nov.Helen F. James
Storrs L. OlsonHoloceneMaui ()A Fringillidae, Carduelinae.Vangulifer neophasis ValidSp. nov.Helen F. James
Storrs L. OlsonHoloceneMaui ()A Fringillidae, Carduelinae.Xestospiza conica ValidGen. nov. et Sp. nov.Helen F. James
Storrs L. OlsonHoloceneKauai ()A Fringillidae, Carduelinae.Xestospiza fastigialis ValidGen. nov. et Sp. nov.Helen F. James
Storrs L. OlsonHoloceneOahu, Molokai, Maui () A Fringillidae, Carduelinae, the type species of the new genus.
Genera no longer considered to be birds Protoavis. The avian status of Protoavis has since been almost universally rejected by paleontologists.
Pseudosuchians NameNoveltyStatusAuthorsAgeType localityCountryNotesImagesAustralosuchus clarkaeGen. et sp. novValidWillis & MolnarLate Oligocene - Early MioceneEtadunna FormationA mekosuchine crocodilian described from a multitude of skeletons.
Pterosaurs
New taxa
Name Status Authors LocationImages Bennettazhia Valid Nesov ()
Synapsids
Non-mammalian