2004 in paleontology
Encyclopedia

New taxa

Name Status Authors Age Unit Location Notes Images
  • Paleoleishmania
    Paleoleishmania
    Paleoleishmania is an extinct genus of kinetoplastid , a monophyletic group of unicellular parasitic flagellate protozoa and at present it's placed in kinetoplastid family Trypanosomatidae...

Valid
  • Poinar & Poinar
  • Albian
    Albian
    The Albian is both an age of the geologic timescale and a stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early/Lower Cretaceous epoch/series. Its approximate time range is 112.0 ± 1.0 Ma to 99.6 ± 0.9 Ma...

    Burmese amber, Myanmar  Myanmar Oldest record of the protozoan family Trypanosomatidae

    newly named

    Name Status Authors Age Unit Location Notes Images

    Appianoporites
    Appianoporites
    Appianoporites is an extinct monotypic genus of fungus in the Agaricomycetes family Hymenochaetaceae. At present it contains the single species Appianoporites vancouverensis....


    Valid
    • Smith
    • Currah
    • Stockey

    Eocene
    Eocene
    The Eocene Epoch, lasting from about 56 to 34 million years ago , is a major division of the geologic timescale and the second epoch of the Paleogene Period in the Cenozoic Era. The Eocene spans the time from the end of the Palaeocene Epoch to the beginning of the Oligocene Epoch. The start of the...


    Appian Way Flora.

     Canada

    Extinct bracket fungus

    Quatsinoporites
    Quatsinoporites
    Quatsinoporites is an extinct monotypic genus of agaricomycet fungus in the Agaricomycetes family Hymenochaetaceae. At present it contains the single species Quatsinoporites cranhamii....


    Valid
    • Smith
    • Currah
    • Stockey

    Barremian
    Barremian
    The Barremian is an age in the geologic timescale between 130.0 ± 1.5 Ma and 125.0 ± 1.0 Ma). It is a subdivision of the Early Cretaceous epoch...

     (Cretaceous)

    Longarm Formation.

     Canada

    Extinct bracket fungus.

    newly named

    Name Status Authors Age Unit Location Notes Images

    Neviusia dunthornei
    Neviusia dunthornei
    Neviusia dunthornei is an extinct species of flowering plant in the Rosaceae family. The species is solely known from the early Eocene, Ypresian stage, Allenby formation Lacustrine deposits near the town of Princeton, British Columbia....


    Valid
    • DeVore
    • Moore
    • Pigg
    • Wehr

    Ypresian
    Ypresian
    In the geologic timescale the Ypresian is the oldest age or lowest stratigraphic stage of the Eocene. It spans the time between and , is preceded by the Thanetian age and is followed by the Eocene Lutetian age....

     (Early Eocene)

    Allenby Formation.

     Canada

    oldest and only extinct species of Neviusia
    Neviusia
    Neviusia is a genus of ornamental plants, which are native to the United States, containing two extant species and one extinct species known from leaf fossils. This genus is a rare example of a disjunct range occurring in North America...


    New taxa

    Name Status Authors Age Unit Location Notes Images
    • ?Anyphops cortex
    jr synonym
  • Wunderlich
  • Unknown Madagascar copal  Madagascar jr Synonym of Garcorops jadis
    Garcorops jadis
    Garcorops jadis is a possibly extinct species of Wall crab spider, family Selenopidae, and at present, it is one of four known species in the genus Garcorops. The species is solely known from copal found on the beach near Sambava, on the northeast coast of Madagascar.-History and...

  • Garcorops jadis
    Garcorops jadis
    Garcorops jadis is a possibly extinct species of Wall crab spider, family Selenopidae, and at present, it is one of four known species in the genus Garcorops. The species is solely known from copal found on the beach near Sambava, on the northeast coast of Madagascar.-History and...

  • Valid
  • Bosselaers
  • Unknown Madagascar copal  Madagascar Possibly extant, but copal age is not determined
  • Microberotha
    Microberotha
    Microberotha is an extinct monotypic genus of "beaded lacewing", family Berothidae; order Neuroptera with the single species Microberotha macculloughi...

  • Valid
  • Archibald
  • Ypresian
    Ypresian
    In the geologic timescale the Ypresian is the oldest age or lowest stratigraphic stage of the Eocene. It spans the time between and , is preceded by the Thanetian age and is followed by the Eocene Lutetian age....

    Hat Creek Amber  Canada

    Newly named dinosaurs

    Data courtesy of George Olshevsky
    George Olshevsky
    George Olshevsky is a freelance editor, writer, publisher, amateur paleontologist, and mathematician living in San Diego, California.Olshevsky maintains the comprehensive online Dinosaur Genera List...

    's dinosaur genera list and Dr. Jeremy Montague's dinosaur genus database.
    Name Status Authors Notes Images
    "Astrodontaurus" Junior synonym of Astrodon
    Astrodon
    Astrodon was a genus of large herbivorous sauropod dinosaur, related to Brachiosaurus, that lived in what is now the eastern United States during the Early Cretaceous period. Its fossils have been found in the Arundel Formation, which has been dated through palynomorphs to the Aptian-Albian...


    Johnston vide:
    • Kranz


    Atrociraptor
    Atrociraptor
    Atrociraptor is a genus of dromaeosaurid theropod dinosaur from the Late Cretaceous of Alberta, Canada....

    Valid taxon
    • Currie
  • Varricchio
  • Bissektipelta
    Bissektipelta
    Bissektipelta is an ankylosaurid dinosaur from the Upper Cretaceous of Uzbekistan. The holotype and only known specimen was collected from the Bissekty Formation , of Dzharakuduk, and the name Bissektipelta refers to this geological formation...

    Valid taxon
  • Parish
  • Barrett
  • Bonatitan
    Bonatitan
    Bonatitan is a genus of titanosaurian dinosaur from Argentina. It lived during the Late Cretaceous. The type species is Bonatitan reigi, first described by Martinelli and Forasiepi in 2004. The specific epithet honours Osvaldo Reig...

    Valid taxon
  • Martinelli
  • Forasiepi
  • Bonitasaura
    Bonitasaura
    Bonitasaura is a titanosaurian dinosaur hailing from uppermost layers of the Late Cretaceous Bajo de la Carpa Formation, Neuquen Group, located in Río Negro Province, Northwestern Patagonia, Argentina...

    Valid taxon
  • Apesteguía
  • Borealosaurus
    Borealosaurus
    Borealosaurus was a dinosaur genus from northern China. It was a herbivorous quadrupedal sauropod from the Early Cretaceous Period. The type species was Borealosaurus wimani...

    Valid taxon
  • You
  • Ji Q.
  • Lamanna
  • Li J.
  • Li Y. X.
  • "Crosbysaurus
    Crosbysaurus
    Crosbysaurus was an archosauriform genus of unknown affinities Crosbysaurus was an archosauriform genus of unknown affinities Crosbysaurus was an archosauriform genus of unknown affinities (Irmis et al. (2006), initially described as a basal ornithischian dinosaur, and known only from teeth. ...

    "
    Valid non-dinosaurian
    Archosauromorpha
    Archosauromorpha is an infraclass of diapsid reptiles that first appeared during the late Permian and became more common during the Triassic. Included in this infraclass are the groups Rhynchosauria, Trilophosauridae, Prolacertiformes, Archosauriformes, and, tentatively, Choristodera...

     taxon.
  • Heckert
  • Dilong
    Dilong (dinosaur)
    Dilong is a genus of small tyrannosauroid dinosaur. The only species is Dilong paradoxus. It is from the Lower Cretaceous Yixian Formation near Lujiatun, Beipiao, in the western Liaoning province of China. It lived about 130 million years ago...

    Valid taxon
  • Xu Xing
  • Mark Norell
  • Kuang
  • Wang X.
  • Zhao Q.
  • Jia C.
  • Ekrixinatosaurus
    Ekrixinatosaurus
    Ekrixinatosaurus is a genus of dinosaur which lived during the Late Cretaceous. It was a theropod believed to be one of the abelisaurs. Its fossils have been found in Argentina...

    Valid taxon
  • Calvo
  • Rubilar-Rogers
  • Moreno
  • Graciliraptor
    Graciliraptor
    Graciliraptor is a genus of theropod dinosaur from the early Cretaceous Period. It is a microraptorine dromaeosaurid....

    Valid taxon
  • Xu Xing
  • Wang X.
  • Huaxiagnathus
    Huaxiagnathus
    Huaxiagnathus is a genus of theropod dinosaur from the Lower Cretaceous of China. It was a compsognathid, large for that group at about half a meter longer than Compsognathus and larger specimens of Sinosauropteryx, with the largest specimen about 1.8 meters in length.The name Huaxiagnathus is...

    Valid taxon
  • Hwang
  • Mark Norell
  • Ji Q.
  • Gao K.
  • Kerberosaurus
    Kerberosaurus
    Kerberosaurus was a genus of hadrosaurine duckbill dinosaur from the late Maastrichtian-age Upper Cretaceous Tsagayan Formation of Blagoveschensk, Amur Region, Russia...

    Valid taxon
  • Bolotsky
  • Godefroit
  • Limaysaurus
    Limaysaurus
    Limaysaurus is a herbivorous rebbachisaurid sauropod dinosaur from the Lower Cretaceous of northwestern Patagonia.Limaysaurus includes a single type species, Limaysaurus tessonei, which was originally referred to the genus Rebbachisaurus as Rebbachisaurus tessonei by Jorge Calvo and Leonardo...

    Valid taxon
  • Salgado
  • Garrido
  • S. E. Cocca
  • J. R. Cocca
  • Mei
    Mei (dinosaur)
    Mei is a genus of duck-sized troodontid dinosaur first unearthed by paleontologists in Liaoning, China in 2004. Mei lived during the Early Cretaceous Period. Its binomial name, Mei long means sleeping dragon...

    Valid taxon
  • Xu Xing
  • Mark Norell
  • Mirischia
    Mirischia
    Mirischia is a small extinct genus of compsognathid dinosaur from the Albian stage of Brazil. Though presently known only from a pelvis and incomplete hind limbs, it preserves enough information to show that it should be recognized as a distinct species...

    Valid taxon
  • Darren Naish
    Darren Naish
    Darren Naish is a vertebrate palaeontologist and science writer. He obtained a geology degree at the University of Southampton and later studied vertebrate palaeontology under British palaeontologist David Martill at the University of Portsmouth, where he obtained both an M. Phil...

  • Martill
  • Frey
  • "Nemegtia" Preoccupied name. Renamed Nemegtomaia
    Nemegtomaia
    Nemegtomaia is a genus of oviraptorid dinosaur from the late Cretaceous Period of what is now Mongolia. The type species, Nemegtomaia barsboldi, was described by Lü, Tomida, Azuma, Dong, and Lee in 2004...

    .
  • Tomida
  • Azuma
  • Dong Zhiming
    Dong Zhiming
    Dong Zhiming , from the Institute of Vertebrate Paleontology and Paleoanthropology in Beijing, is one of China's leading paleontologists. He began working at the IVPP in 1962, learning from Yang Zhongjian who was director at the time...

  • Lee
  • Szczechura
  • Otogosaurus
    Otogosaurus
    Otogosaurus is a genus of sauropod dinosaur. The most notable species in this genus is Otogosaurus sarulai. This species was first described by Chinese scientist Zhao in 2004. The species is named after Otog, the location of its discovery, and the Sarula, who are the indigenous peoples who live in...

    Valid taxon
  • Zhao X.
  • Tan L.
  • Prenoceratops
    Prenoceratops
    Prenoceratops, is a genus of ceratopsian dinosaur from the Late Cretaceous Period. Its fossils have been found in the Two Medicine Formation in the present-day U.S. state of Montana...

    Valid taxon
  • Chinnery
  • "Protecovasaurus
    Protecovasaurus
    Protecovasaurus is a genus of archosaurian reptile from the Late Triassic of the southwestern United States. It was initially described as a basal ornithischian dinosaur, but was redescribed as a non-dinosaurian archosaur by Irmis et al. . The type species, Protecovasaurus lucasi, was formally...

    "
    Valid non-dinosaurian taxon.
  • Heckert
  • Rugops
    Rugops
    Rugops is a genus of theropod dinosaur which inhabited what is now Africa approximately 95 million years ago...

    Valid taxon
  • Paul Sereno
    Paul Sereno
    Paul Callistus Sereno is an American paleontologist from the University of Chicago who discovered several new dinosaur species on several continents. He has conducted excavations at sites as varied as Inner Mongolia, Argentina, Morocco, and Niger...

  • Jeffrey A. Wilson
    Jeffrey A. Wilson
    Jeffrey A. Wilson also known as "JAW "is a professor of geological sciences and assistant curator at the Museum of Paleontology at the University of Michigan....

    .
  • Conrad
  • "Sinucerasaurus" Junior synonym of Sinusonasus
    Sinusonasus
    Sinusonasus is a genus of dinosaur from the Early Cretaceous Period, recovered from the Yixian Formation. This dinosaur lived in what is now the Liaoning Province of China. Sinusonasus was a theropod, specifically a troodontid dinosaur...


    Xu X. and Wang X. vide:
    • Xu X.
  • Mark Norell
  • Sinusonasus
    Sinusonasus
    Sinusonasus is a genus of dinosaur from the Early Cretaceous Period, recovered from the Yixian Formation. This dinosaur lived in what is now the Liaoning Province of China. Sinusonasus was a theropod, specifically a troodontid dinosaur...

    Valid taxon
  • Xu Xing
  • Wang X.
  • Spinostropheus
    Spinostropheus
    Spinostropheus is a genus of small ceratosaurian dinosaur that lived in the late Jurassic period of Niger. Once thought to be a species closely related to the abelisaurs , subsequent studies have confirmed the original interpretation as a basal ceratosaur closely related to Elaphrosaurus...

    Valid taxon
  • Paul Sereno
    Paul Sereno
    Paul Callistus Sereno is an American paleontologist from the University of Chicago who discovered several new dinosaur species on several continents. He has conducted excavations at sites as varied as Inner Mongolia, Argentina, Morocco, and Niger...

  • Jeffrey A. Wilson
    Jeffrey A. Wilson
    Jeffrey A. Wilson also known as "JAW "is a professor of geological sciences and assistant curator at the Museum of Paleontology at the University of Michigan....

    .
  • Conrad
  • Suuwassea
    Suuwassea
    Suuwassea is a genus of diplodocoid sauropod dinosaur found in the Upper Jurassic strata of the Morrison Formation, located in southern Carbon County, Montana, USA. The fossil remains were recovered in a series of expeditions during a period spanning the years 1999 and 2000, described by J.D....

    Valid taxon
  • Harris
  • Peter Dodson
    Peter Dodson
    Peter Dodson is an American paleontologist who has published many papers and written and collaborated on books about dinosaurs. An authority on Ceratopsians, he has also authored several papers and textbooks on hadrosaurs and sauropods, and is a co-editor of The Dinosauria, widely considered the...

  • Talenkauen
    Talenkauen
    Talenkauen is a genus of basal iguanodont dinosaur from the Maastrichtian-age Upper Cretaceous Pari Aike Formation of Lake Viedma, Santa Cruz, Argentina. It is based on MPM-10001, a partial articulated skeleton missing the rear part of the skull, the tail, and the hands...

    Valid taxon
  • Novas
  • Cambiaso
  • Ambrosio
  • Tazoudasaurus
    Tazoudasaurus
    Tazoudasaurus is a genus of vulcanodontid sauropod dinosaur hailing from the Early Jurassic Toundoute overthrust beds located in the High Moroccan Atlas Mountains. The remains, consisting of a partial adult skeleton and associated partial juvenile skeleton found in continental detrital sediments,...

    Valid taxon
  • Allain
  • Aquesbi
  • Dejax
  • C. Meyer
  • Monbaron
  • Montenat
  • Richir
  • Rochdy
  • Dale A. Russell
  • Philippe Taquet
    Philippe Taquet
    Philippe Taquet is a French paleontologist who specializes in dinosaur systematics of finds primarily in northern Africa.He is a member of the French Academy of Sciences since November 30, 2004...

  • Unaysaurus
    Unaysaurus
    Unaysaurus is a genus of sauropodomorph dinosaur, and is one of the oldest dinosaurs known. It was discovered in southern Brazil,in the geopark of paleorrota, in 1998, and announced in a press conference on Thursday, December 3, 2004...

    Valid taxon
  • Leal
  • Azevedo
  • Kellner
  • Da Rosa

  • New taxa

    s="wikitable sortable" align="center" width="100%">
    Name Status Authors Notes

    Plesiopterys

    Valid

    O'Keefe
    er="0" style= height:"100%" align="right" style="background:transparent;">

    New taxa

    s="wikitable sortable" align="center" width="100%">
    Name Status Authors Notes

    Avgodectes
    Avgodectes
    Avgodectes is a controversial pterosaur genus. The full binomial is Avgodectes pseudembryon, which translates to "false-embryo egg-biter"; avgo is taken from modern Greek for "egg". Named by David Peters in 2004 and based on a pterosaur found within an egg...


    Valid

    Peters

    Cacibupteryx
    Cacibupteryx
    Cacibupteryx is a genus of rhamphorhynchid "rhamphorhynchoid" pterosaur from the middle-late Oxfordian-age Upper Jurassic Jagua Formation of Pinar del Río, Cuba....


    Valid

    Gasparini
    Fernández
    de la Fuente

    "Daitingopterus
    Daitingopterus
    "Daitingopterus" is a nomen nudum, meaning that it is not a valid scientific name. Informally coined in 2004, it is intended as a replacement name for "Germanodactylus" rhamphastinus, named by Wagner in 1851 as a species of Ornithocephalus...

    "

    Valid

    Maisch
    Matzke
    Ge Sun

    Lonchognathosaurus
    Lonchognathosaurus
    Lonchognathosaurus was a genus of dsungaripterid pterodactyloid pterosaur from the Albian-age Lower Cretaceous Lianmuqin Formation of Xinjiang, China....


    Valid

    Maisch, M.W.,
    Matzke, A.T., and
    Ge Sun
    er="0" style= height:"100%" align="right" style="background:transparent;">

    Non-mammalian

    Name Status Authors Discovery year Age Unit Location Notes Images

    Ianthodon
    Ianthodon
    Ianthodon is an extinct genus of non-mammalian synapsid from the Late Carboniferous of United States of America.-References:* Kissel, R. A. & Reisz, R. R. Synapsid fauna of the Upper Pennsylvanian Rock Lake Shale near Garnett, Kansas and the diversity pattern of early amniotes. In G. Arratia, M. V....


    Valid
    • Kissel
    • Reisz

     United States

    Lobalopex
    Lobalopex
    Lobalopex is an extinct genus of therapsid or mammal-like "reptile" belonging to the Burnetiid‎ family, which itself belongs to the Biarmosuchian suborder....


    Valid
    • Sidor
    • Hopson
    • Keyser

     South Africa

    Progalesaurus
    Progalesaurus
    Progalesaurus is an extinct genus of non-mammalian synapsid.-References:*...


    Valid
    • Sidor
    • Smith

     South Africa

    Pyozia
    Pyozia
    Pyozia is an extinct genus of basal Middle Permian varanopid synapsid known from Russia. It was first named by Jason S. Anderson and Robert R. Reisz in 2004 and the type species is Pyozia mesenensis. Pyozia mesenensis is known from the holotype PIN 3717/33, a three-dimensionally preserved...


    Valid
    • Anderson
    • Reisz

     Russia

    Rewaconodon
    Rewaconodon
    Rewaconodon tikiensis is an extinct species of synapsid which existed in India during the upper Triassic period, the only species in the genus Rewaconodon. Other, undescribed species may have lived in North America....


    Valid
    • Datta
    • Das
    • Luo

     India
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