Dinosaur genera

Kelumapusaura (meaning "red earth lizard") is a genus of saurolophine hadrosaur from the Late Cretaceous Allen Formation in what is now Patagonia in Argentina. The type and only species is K. machi, known from a bonebed of various individuals.

Emiliasaura (meaning "Emilia's lizard") is an extinct genus of iguanodontian ornithopod dinosaurs from the Early Cretaceous (Valanginian) Mulichinco Formation of Neuquén Province, Argentina. The genus contains a single species, Emiliasaura alessandrii, known from three individual specimens. Emiliasaura was initially described as a rhabdodontomorph. If this identification is correct, it would represent the oldest member of this clade and the first named from South America. However, a later analysis of rhabdodontomorphs failed to recover Emiliasaura within this clade, instead placing it as a sty

Harenadraco (meaning "sand dragon") is an extinct genus of troodontid theropod dinosaurs from the Late Cretaceous Baruungoyot Formation of Mongolia. The genus contains a single species, H. prima, known from a fragmentary skeleton. Harenadraco represents the first troodontid known from the Baruungoyot Formation. Since members of this family are also known from the Nemegt and Djadochta Formations, the discovery of Harendraco indicates that troodontids were important faunal components of every formation within the Nemegt Basin.

Schleitheimia (named after the type locality of Schleitheim), is an extinct genus of sauropodiform sauropodomorph dinosaur, from the Gruhalde Member of Klettgau Formation of Switzerland. The type species, Schleitheimia schutzi was formally described in 2020.

Yamanasaurus (meaning "Yamana lizard") is an extinct genus of saltasaurine titanosaurian dinosaur from the Río Playas Formation of Ecuador, which dates to the Campanian-Maastrichtian of the late Cretaceous period (approximately 75-70 million years ago). The type and only species is Yamanasaurus lojaensis, representing the first non-avian dinosaur described from Ecuador. The holotype, consisting of fragments of a humerus, ulna, tibia, two sacral vertebrae and a single caudal, was discovered in 2017.

Eousdryosaurus ("eastern Dryosaurus") is a genus of basal iguanodontian dinosaur known from a partial skeleton discovered in Upper Jurassic rocks in western Portugal. The type, and only species, is Eousdryosaurus nanohallucis, named and described in 2014.

Taohelong is a genus of nodosaurid dinosaur known from Early Cretaceous rocks in north-central China. It is based on Gansu Dinosaur Museum (GSDM) 00021, fossils including a tail vertebra, ribs, a left ilium (the main bone of the hip), and bony armor recovered from the Hekou Group in the Lanzhou-Minhe Basin. The animal's armor includes part of a "sacral shield", a carpet of osteoderms over the hips found in some other ankylosaurians. Taohelong was named and described in 2013 by Yang Jing-Tao, You Hai-Lu, Li Da-Qing, and Kong De-Lai. The type species is Taohelong jinchengensis. The generic name

Heishansaurus, meaning "Heishan lizard" after the area in China where it was discovered, is the name given to a dubious genus of herbivorous ornithischian dinosaur, probably belonging to the Ankylosauridae.

Yunmenglong (meaning "Yunmeng dragon", after the Yunmengshan area where it was found) is an extinct genus of somphospondylan sauropod known from the late Early Cretaceous of Henan Province, central China. Its remains were discovered in the Haoling Formation of the Ruyang Basin. The type species is Yunmenglong ruyangensis, described in 2013 by Junchang Lü et al. on the basis of an incomplete postcranial skeleton. Yunmenglong shares some characters with Euhelopus, Qiaowanlong, and Erketu; a phylogenetic analysis places it as a sister taxon of Qiaowanlong, both grouped with Erketu in a position m

Koleken (meaning "coming from clay and water") is a genus of carnotaurin abelisaurid from the Maastrichtian La Colonia Formation in the Chubut Province of Argentina. The genus contains a single species, Koleken inakayali, known from one immature specimen about long and six years old in minimum age.

Jinchuanloong (meaning "Jinchuan dragon") is an extinct genus of eusauropod sauropod dinosaurs from the Middle Jurassic Xinhe Formation of China. The genus contains a single species, Jinchuanloong niedu, known from a partial skeleton including a nearly complete skull.

Platypelta is an extinct genus of herbivorous ankylosaurid dinosaurs within the subfamily Ankylosaurinae. It is known from the Late Cretaceous Dinosaur Park Formation (early Late Campanian stage, about 77.5-76.5 Ma ago) of southern Alberta, Canada. The type species is Platypelta coombsi.

Zhongornis (meaning "intermediate bird") is a genus of primitive maniraptoran dinosaurs that lived during the Early Cretaceous. It was found in rocks of the Yixian Formation in Lingyuan City (China), and described by Gao et al. in 2008.

Oblitosaurus (meaning "forgotten lizard") is a genus of ankylopollexian ornithopod dinosaur from the Late Jurassic Villar del Arzobispo Formation of Spain. The type species is Oblitosaurus bunnueli.

Teinurosaurus is a genus of carnivorous theropod dinosaur that lived during the Late Jurassic in what is now France. The type species is Teinurosaurus sauvagei. It has been estimated to be in length and in weight.

Ardetosaurus is an extinct genus of diplodocid sauropod dinosaurs from the Late Jurassic (Kimmeridgian) Morrison Formation of northern Wyoming, United States. The genus contains a single species, Ardetosaurus viator. It was first described in 2024 on the basis of a partial articulated skeleton, including vertebrae from the neck, back, and tail, hip bones, and part of the left hindlimb. The genus is a member of the Diplodocinae, a subfamily of large long-necked dinosaurs with whiplike tails. Ardetosaurus represents one of many distinct sauropod taxa that coexisted in this formation.

Gryponyx (meaning "hooked-claw") is an extinct genus of massopod sauropodomorph known from southern Free State, central South Africa.

Huaxiazhoulong is an extinct genus of ankylosaurid dinosaurs from the Late Cretaceous (Campanian) Tangbian Formation of Jiangxi Province, China. The genus contains a single species, H. shouwen, known from a partial skeleton.

Datai is an extinct genus of ankylosaurid dinosaur from the Late Cretaceous Zhoutian Formation of Jiangxi Province, China. The genus contains a single species, D. yingliangis, which is known from the articulated skulls and partial skeletons of two individuals.

Haestasaurus is a genus of herbivorous sauropod dinosaur, belonging to the Macronaria, that during the Early Cretaceous lived in the area of present-day England. The only species is Haestasaurus becklesii.

Taleta (meaning "three") is an extinct genus of lambeosaurine ornithopod dinosaurs from the Late Cretaceous (Maastrichtian age) Oulad Abdoun Basin of Morocco. The genus contains a single species, Taleta taleta, known from two upper jaw bones. It is the third member of the clade Arenysaurini found from this locality, after Ajnabia and Minqaria.

Vectidromeus (meaning "Isle of Wight runner") is an extinct genus of hypsilophodontid ornithopod dinosaur from the Early Cretaceous Wessex Formation of England. The genus contains a single species, V. insularis, known from a partial skeleton belonging to a juvenile individual.

Bustingorrytitan (meaning "Bustingorry's giant") is a genus of lithostrotian titanosaur from the Late Cretaceous (Cenomanian) Huincul Formation of Argentina. The type species is Bustingorrytitan shiva.

Hamititan (meaning "Hami giant") is a genus of titanosaur sauropod dinosaur from the Shengjinkou Formation of Xinjiang, China. It contains one species, the type species, Hamititan xinjiangensis.

Wudingloong is an extinct genus of massopodan sauropodomorph dinosaurs known from the Early Jurassic Yubacun Formation of China. The genus contains a single species, Wudingloong wui, known from a partial skeleton including the skull.

Foskeia is an extinct genus of rhabdodontomorph ornithopod dinosaurs known from the Early Cretaceous (Barremian to Aptian ages) Castrillo de la Reina Formation of Spain. The genus contains a single species, Foskeia pelendonum, known from fossils of multiple individuals of different ontogenetic stages. Before its formal description, it had been nicknamed the "Vegagete ornithopod."

Thespesius (meaning "wondrous one") is a dubious genus of hadrosaurid dinosaur from the late Maastrichtian-age Upper Cretaceous Lance Formation of South Dakota.

Microhadrosaurus (meaning "small bulky lizard" in Greek) is a genus of hadrosaurid dinosaur from the Late Cretaceous (Campanian or Maastrichtian) Nanxiong Formation of Guangdong, China. Although its name identifies it as a small hadrosaurid, it is based on juvenile remains, and the adult size is unknown.

Dongyangopelta (meaning "Dongyang shield") is an monospecific genus of nodosaurid dinosaur that lived in China during the Early to Late Cretaceous period (Albian to Cenomanian stages, 105-96 Ma) in what is now the Chaochuan Formation. The type and only known species, Dongyangopelta yangyanensis, is known from a partial postcranial skeleton preserving osteoderms and ossified tendons. It was named in 2013 by Rongjun Chen, Wenjie Zheng, Yoichi Azuma, Masateru Shibata, Tianling Lou, Qiang Jin and Xinsheng Jin. Dongyangopelta represents one of the only nodosaurids known from Asia, along with Taohel

Tanystrosuchus (meaning "long crocodile") is a dubious genus of theropod dinosaur from the late Triassic period (middle Norian stage, around 208 million years ago). It is known from a single fossil neck vertebra of the species T. posthumus, found in the Middle Stubensandstein formation of what is present-day Germany.

Itapeuasaurus (meaning "Itapeua lizard") is a genus of rebbachisaurid sauropod dinosaur from the Alcântara Formation (Itapecuru Group) of Maranhão in Brazil. The type and only species is Itapeuasaurus cajapioensis. It is the most complete Cenomanian-aged diplodocoid known from South America and it is also the first reported Cenomanian-aged rebbachisaurid discovered in South America.

Xingtianosaurus is an extinct genus of oviraptorosaurian theropod dinosaur that lived in what is now China during the Early Cretaceous. The type and only species, X. ganqi, was named and described in 2019. It was placed in the Caudipteridae, alongside Caudipteryx and Similicaudipteryx.

Garrigatitan (meaning "garrigue giant") is a genus of titanosaurian dinosaur from the late Cretaceous Period of the Grès à Reptiles Formation in France. The genus contains a single species, Garrigatitan meridionalis.

Pandoravenator (meaning "Pandora hunter", after the type locality, "Caja de Pandora", i.e. Pandora's box) is a genus of theropod dinosaur from the Late Jurassic (Oxfordian to Tithonian) of central Patagonia (Chubut Province). Fossils in the form of a fragmentally preserved postcranial skeleton of this dinosaur were discovered and scientifically described in 2017 by paleontologists Oliver Rauhut and Diego Pol as the type species P. fernandezorum.

Sidersaura (meaning "star lizard") is an extinct monotypic genus of rebbachisaurid sauropod dinosaur from the Late Cretaceous Huincul Formation of Argentina. The genus contains a single species, S. marae, known from the remains of four individuals. Sidersaura represents one of the largest known rebbachisaurids.

Triunfosaurus (meaning "Triunfo Basin reptile") is a genus of somphospondylan sauropod dinosaur from the Early Cretaceous of Brazil. It contains a single species, T. leonardii, described by Carvalho et al. in 2017. As a genus, Triunfosaurus can be distinguished from all other titanosaurs by the unique proportions of its ischium. It was initially described as a basal titanosaur, making it the earliest basal titanosaur known; however, subsequent research questioned the identification of the taxon as a titanosaur, instead reassigning it to the Somphospondyli.

Kaijutitan (meaning "Kaiju titan" after the type of Japanese movie monsters) is a genus of basal titanosaur dinosaur from the Sierra Barrosa Formation from Neuquén Province in Argentina. The type and only species is Kaijutitan maui.

Mierasaurus is an extinct genus of sauropod dinosaur from the Early Cretaceous of Utah, United States. The taxon was first described and named in 2017 by Rafael Royo-Torres and colleagues, from a mostly complete skeleton including a disarticulated partial skull and mandible, teeth, multiple vertebrae from along the length of the body, both scapulae, radius and ulna bones, a left manus, a complete pelvis, both femora and the entire left hindlimb. Additionally, they referred a lower jaw and femur from juvenile individuals, which were found nearby, to the genus. Collectively, Mierasaurus is among

Hesperonyx (meaning "western claw") is an extinct genus of dryomorphan ornithopod dinosaur from the Late Jurassic Lourinhã Formation of Portugal. The genus contains a single species, Hesperonyx martinhotomasorum, known from bones of the fore- and hindlimbs.

Maleevus (named in honour of Evgeny Maleev) is an extinct genus of herbivorous ankylosaurid dinosaur from the late Cretaceous, around 90 million years ago (possibly 98-83 Ma), of Mongolia.

Campananeyen is a genus of rebbachisaurid sauropod dinosaur from the Late Cretaceous (Cenomanian) Candeleros Formation of Argentina. The genus contains a single species, Campananeyen fragilissimus, known from a fragmentary skeleton.

Dasosaurus is an extinct genus of somphospondylan sauropod dinosaur known from the Early Cretaceous (Aptian) Itapecuru Formation of Brazil. The genus contains a single species, Dasosaurus tocantinensis. Its morphology is similar to the titanosauriform Garumbatitan, known from the Early Cretaceous of Spain.

Shanyangosaurus (meaning "Shanyang lizard") is a genus of theropod dinosaur found in Shaanxi, China, and known only from a partial sacrum, partial scapula, humeri, femur, tibia, metatarsals, and phalanges found in the Maastrichtian aged Shanyang Formation. The bones are reportedly hollow; this, along with other features of the femur and known foot bones, suggest it is a member of the coelurosauria, but a specific family cannot be determined without more material. Holtz et al. assigned Shanyangosaurus to Avetheropoda.

Migmanychion (meaning "claw mixture") is an extinct genus of maniraptoran theropod dinosaur from the Early Cretaceous Longjiang Formation of China. The genus contains a single species, M. laiyang, known from an incomplete left forelimb.

Chakisaurus (meaning "elder guanaco lizard") is an extinct genus of elasmarian ornithopod dinosaur from the Late Cretaceous Huincul Formation of Argentina. The genus contains a single species, C. nekul, known from multiple partial skeletons belonging to individuals of different ages. Chakisaurus represents the first ornithischian species to be named from the Huincul Formation.

Portellsaurus (meaning "Portell Lizard") is a genus of hadrosauroid dinosaur from the Lower Cretaceous Margas de Mirambell Formation of Spain. The genus contains a single species, Portellsaurus sosbaynati, known from a partial right dentary. == Discovery and naming == Portellsaurus was discovered in 1998 by Miquel Guardiola, Julián Yuste and Silvia Fabregat in a site near Mas de Curolles. The generic name, Portellsaurus, comes from the Portell de Morella, the town where the holotype was recovered, and the specific name, sosbaynati, refers to Vicente Sos Baynat, a Spanish geologist who was the

Gandititan is an extinct genus of titanosaurian sauropod dinosaur from the Late Cretaceous Zhoutian Formation of China. The genus contains a single species, G. cavocaudatus, known from a partial skeleton.

Menucocelsior (meaning "the taller one from Salitral Ojo del Agua") is a genus of medium-sized titanosaurian sauropod dinosaur from the Late Cretaceous Allen Formation of Argentina. The type and only species is Menucocelsior arriagadai.

Udelartitan is an extinct genus of saltasauroid titanosaurian sauropod dinosaur from the Late Cretaceous Guichón Formation of Uruguay. The genus contains a single species, U. celeste, known from fragmentary remains of at least two individuals.

Microcoelus (meaning "small hollow") is a dubious genus of small titanosaurian sauropod dinosaur from the Late Cretaceous (Santonian stage) Bajo de la Carpa Formation, Argentina. It is known from only a single dorsal vertebra, although a left humerus was formerly referred to this taxon, but it is now considered to belong to Neuquensaurus. The type (and only known) species is M. patagonicus, described by British paleontologist Richard Lydekker in 1893.

Notatesseraeraptor ("feature mosaic tile thief"; from the Latin "nota", feature; "tesserae", tiles used to make a mosaic, in reference to the mixture of features normally found on dilophosaurids and coelophysoids; and "raptor", thief) is a genus of carnivorous theropod dinosaur that lived during the Late Triassic of what is now Switzerland. It was found in the Gruhalde Member of the Klettgau Formation. It was an early member of Neotheropoda with affinities to Dilophosaurus and Averostra. The new genus and species Notatesseraeraptor frickensis was named by Marion Zahner and colleagues in 2019.

Oohkotokia ( ) is a genus of ankylosaurid dinosaur within the subfamily Ankylosaurinae. It is known from the upper levels of the Two Medicine Formation (late Campanian stage, about 74 Ma ago) of Montana, United States. The discovery of Oohkotokia supports that Ankylosaurine dinosaurs existed and flourished continuously in Montana and/or Alberta throughout the late Campanian and early Maastrichtian stages in the Late Cretaceous period. It was a large, heavily built, quadrupedal, herbivore, that could grow up to long and weigh up to .

Beipiaognathus (meaning Beipiao jaw) is a dubious genus of coelurosaurian theropod from the Early Cretaceous Yixian Formation of Liaoning, China. The type species is Beipiaognathus jii and it was named and described by Hu et al. in 2016.

Tongnanlong (meaning "Tongnan District dragon") is a genus of mamenchisaurid dinosaur from the Late Jurassic Suining Formation of Chongqing, China. The type species is Tongnanlong zhimingi.

Chadititan (meaning "titan of the salt") is an extinct genus of titanosaurian dinosaurs from the Late Cretaceous (Campanian) Anacleto Formation of Argentina. The genus contains a single species, C. calvoi, known from several fragmentary skeletons. Chadititan is characterized by its small size compared to related taxa and its particularly gracile limbs.

extinct genus of saurischian dinosaur

Napaisaurus is a genus of iguanodontian ornithopod dinosaur from the Early Cretaceous Xinlong Formation of Guangxi, China. The type and only species is N. guangxiensis.

Sinankylosaurus (meaning "Chinese fused lizard") is a dubious dinosaur genus known from the Late Cretaceous Hongtuya Formation of China. The genus contains a single species, Sinankylosaurus zhuchengensis, known from a partial right ilium (a pelvic bone). This specimen was originally described as belonging to an ankylosaur, although later research has disputed this identification, noting the lack of anatomical characters uniting Sinankylosaurus with this group.

Stephanosaurus (meaning "crown lizard") is a dubious genus of hadrosaurid dinosaur with a complicated taxonomic history.

Polacanthoides (meaning like Polacanthus) is a dubious genus of nodosaurid dinosaur from the Wessex Formation of England. The type species is P. ponderosus.