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Extinct clade of dinosaurs
the first ever cladogram showing the evolutionary relationships of Therizinosauria, and demonstrated that Beipiaosaurus had features of more basal theropods
Therizinosauria
Therizinosaurid genus from the Late Cretaceous period
of the last and the largest representative of its unique group, the Therizinosauria (formerly known as Segnosauria; the segnosaurs). During and after its
Therizinosaurus
Clade of feathered dinosaurs
subgroups Avialae, Dromaeosauridae, Troodontidae, Oviraptorosauria, and Therizinosauria. Ornitholestes and the Alvarezsauroidea are also often included. Together
Maniraptora
Extinct genus of reptiles
older name Therizinosauridae. Segnosauria also became synonymous with Therizinosauria. In 1997, with the description and naming of "N". bohlini, Dong and
Nanshiungosaurus
Genus of theropod dinosaur
Cretaceous of China in 1999, helped clarify the early evolution of the Therizinosauria and its relationships within the larger group of Theropoda. The remains
Falcarius
Genus of theropod dinosaur
Kayrasaurus was recovered as an early-diverging (basal) member of the Therizinosauria, as the sister taxon to the Therizinosauroidea (which comprises all
Kayrasaurus
Extinct family of dinosaurs
following year, Barsbold and Perle coined the family Segnosauria (now Therizinosauria) to contain the Segnosauridae and kin. Also, they named and briefly
Therizinosauridae
Extinct genus of therizinosaurid dinosaur from late Cretaceous
phylogenetic analysis of coelurosaurian theropods. Russell coined the name Therizinosauria for the wider group in 1997. In 1999, Xing Xu and colleagues described
Segnosaurus
Extinct genus of dinosaurs
below is the result of the performed phylogenetic analysis of the Therizinosauria by Hartman et al. 2019 which is largely based on the data provided
Beipiaosaurus
Body-covering structure of birds
tyrannosauroids (s, 1) Juravenator (s, 3?) Sinosauropteryx (3+) Maniraptora Therizinosauria (1, 3+) Alvarezsauridae (3?) Oviraptorosauria (4, 6) Paraves Troodontidae
Feather
Extinct genus of reptiles
association with the holotype individual, therefore it should be assigned to Therizinosauria incertae sedis; the other remains might pertain to the holotype. A
Enigmosaurus
Extinct genus of dinosaurs
Lindsay E. Zanno performed a large and comprehensive analysis of the Therizinosauria. The cladistic analysis performed recovered both N. mckinleyi and N
Nothronychus
Mongolian paleontologist and geologist (1935–2025)
the suborder Segnosauria (with A. Perle, 1980) (now synonymous with Therizinosauria) "Скончался всемирно известный палеонтолог Ринченгийн Барсболд, консультировавший
Rinchen_Barsbold
Extinct genus of dinosaurs
Zanno, L. E. (2010). "A taxonomic and phylogenetic re-evaluation of Therizinosauria (Dinosauria: Maniraptora)". Journal of Systematic Palaeontology. 8
Erliansaurus
Extinct genus of therizinosaurid dinosaur from the Late Cretaceous
Zanno, L. E. (2010). "A taxonomic and phylogenetic re-evaluation of Therizinosauria (Dinosauria: Maniraptora)". Journal of Systematic Palaeontology. 8
Erlikosaurus
Extant clade of dinosaurs
insectivores with reduced forelimbs each bearing one enlarged claw) †Therizinosauria (bipedal herbivores with large hand claws and small heads) †Scansoriopterygidae
Theropoda
Nanshiungosauridae to contain it and Nanshiungosaurus. Russell coined the Therizinosauria in order to contain all segnosaurs. This new infraorder was composed
Timeline of therizinosaur research
Timeline_of_therizinosaur_research
Extinct genus of dinosaurs
and less derived than therizinosaurids. On the large revision of the Therizinosauria performed by Lindsay Zanno in 2010, she found Suzhousaurus in a more
Suzhousaurus
Clade of birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Pangalloanserae
Genus of therizinosaurid dinosaurs
Lindsay E. (2010-11-03). "A taxonomic and phylogenetic re-evaluation of Therizinosauria (Dinosauria: Maniraptora)". Journal of Systematic Palaeontology. 8
Duonychus
Genus of theropod dinosaur
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Changzhousaurus
Genus of extinct gansuid birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Shuilingornis
Genus of extinct avialan
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Zhengheornis
Extinct genus of dinosaurs
phylogenetic analyses and recovered it as the most basal member of the Therizinosauria. In their description of Kayrasaurus, Liao et al. (2026) included Fukuivenator
Fukuivenator
Genus of alvarezsaurid dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Jaculinykus
Extinct genus of dinosaurs
Zanno, L. E. (2010). "A taxonomic and phylogenetic re-evaluation of Therizinosauria (Dinosauria: Maniraptora)". Journal of Systematic Palaeontology. 8
Qianzhousaurus
Extinct genus of large flightless birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Genyornis
Genus of maniraptoran dinosaur
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Migmanychion
Extinct genus of anchiornithid dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Fujianvenator
Extinct family of Cretaceous birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Gansuidae
Extinct genus of birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Protodontopteryx
Zanno (2026) reinterpret "Geminiraptor" suarezarum as a member of Therizinosauria and as a species belonging to the genus Falcarius. A nearly complete
2026 in archosaur paleontology
2026_in_archosaur_paleontology
Geological group in China and Mongolia
Zanno, L. E. (2010). "A taxonomic and phylogenetic re-evaluation of Therizinosauria (Dinosauria: Maniraptora)". Journal of Systematic Palaeontology. 8
Xinminbao_Group
Extinct clade of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Deinonychosauria
Extinct genus of birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Yangavis
Genus of extinct avialan
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Baminornis
Therizinosauroid dinosaur genus from the Early Cretaceous
Zanno, L. E. (2010). "A taxonomic and phylogenetic re-evaluation of Therizinosauria (Dinosauria: Maniraptora)". Journal of Systematic Palaeontology. 8
Alxasaurus
Therizinosaurid ichnogenus from the Late Cretaceous period
Macropodosaurus is an ichnogenus of therizinosaurid footprints from the Late Cretaceous of Asia, North America and Poland. The ichnogenus is currently
Macropodosaurus
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Jeholornis
Extinct genus of dinosaur
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Yi_(dinosaur)
Extinct genus of dinosaurs
Nevertheless, Hartman et al. (2019) performed a phylogenetic analysis for the Therizinosauria corroborating the initial placement of Martharaptor. Left cladogram
Martharaptor
Extinct family of birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Dromornithidae
Clade of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Ornithurae
Central question in evolutionary biology of birds
Ornithomimosauria Maniraptora Alvarezsaurids Therizinosauria Protarchaeopteryx Oviraptorosauria flightless anchiornithids Archaeopteryx flightless unenlagiids
Origin_of_birds
Extinct genus of maniraptoran dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Shishugounykus
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Chongmingia
Extinct genus of dinosaurs
multiple methodologies and datasets confirmed the genus' place within Therizinosauria. An abbreviated version of the consensus tree found in their analysis
Lingyuanosaurus
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Achillesaurus
Extinct genus of dinosaurs related to modern birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Schizooura
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Pedopenna
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Gansus
Extinct group of dinosaurs
birds. They found that the oviraptorosaurs are the sister group to the Therizinosauria and that the two, together, are more basal than any member of Paraves
Oviraptorosauria
Extinct family of birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Hongshanornithidae
Extinct bird genus
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Kunpengornis
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Palintropus
(2025). "New craniodental materials of Falcarius utahensis (Theropoda: Therizinosauria) reveal patterns of intraspecific variation and cranial evolution in
2025 in archosaur paleontology
2025_in_archosaur_paleontology
Extinct family of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Scansoriopterygidae
Extinct order of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Yanornithiformes
Genus of alvarezsaurid dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Manipulonyx
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Gallornis
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Piscivoravis
Extinct genus of avialan
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Iteravis
Extinct genus of dinosaurs
Therizinosauria Falcarius Jianchangosaurus Therizinosauroidea Beipiaosaurus Alxasaurus Therizinosauridae Therizinosauria Falcarius Jianchangosaurus Therizinosauroidea
Jianchangosaurus
Family of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Archaeopterygidae
Geological formation in Mongolia
Lindsay E. (2010). "A taxonomic and phylogenetic re-evaluation of Therizinosauria (Dinosauria: Maniraptora)". Journal of Systematic Palaeontology. 8
Nemegt_Formation
Extinct family of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Confuciusornithidae
Extinct genus of dinosaurs
Reptilia Clade: Dinosauria Clade: Saurischia Clade: Theropoda Clade: †Therizinosauria (?) Genus: †Eshanosaurus Xu, Zhou & Clark, 2001 Type species Eshanosaurus
Eshanosaurus
Extinct genus of birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Odontopteryx
Extinct genus of bird-like dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Shuvuuia
Clade of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Euornithes
Clade including all birds and their ancestors
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Avialae
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Wulatelong
Extinct clade of aquatic avialans closely related to modern birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Hesperornithes
Extinct dromaeosaurid genus from the Late Cretaceous period
mandibular anatomy and dentition of Segnosaurus galbinensis (Theropoda: Therizinosauria)". PeerJ. 4 e1885. doi:10.7717/peerj.1885. PMC 4824891. PMID 27069815
Achillobator
Extinct genus of birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Asiahesperornis
Geological formation in China
Zanno, L. E. (2010). "A taxonomic and phylogenetic re-evaluation of Therizinosauria (Dinosauria: Maniraptora)". Journal of Systematic Palaeontology. 8
Nanxiong_Formation
Geological formation in Mongolia
mandibular anatomy and dentition of Segnosaurus galbinensis (Theropoda: Therizinosauria)". PeerJ. 4 e1885. Bibcode:2016PeerJ...4e1885Z. doi:10.7717/peerj.1885
Bayanshiree_Formation
Clade of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Ornithothoraces
Extinct genus of birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Dasornis
Clade of extant dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Pygostylia
Genus of scansoriopterygid dinosaur
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Ambopteryx
(2021). "Postcranial osteology of Beipiaosaurus inexpectus (Theropoda: Therizinosauria)". PLOS ONE. 16 (9) e0257913. Bibcode:2021PLoSO..1657913L. doi:10.1371/journal
2021 in archosaur paleontology
2021_in_archosaur_paleontology
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Meemannavis
Extinct genus of dinosaurs
Zanno, L. E. (2010). "A taxonomic and phylogenetic re-evaluation of Therizinosauria (Dinosauria: Maniraptora)". Journal of Systematic Palaeontology. 8
Neimongosaurus
Extinct superfamily of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Alvarezsauroidea
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Mononykus
Extinct species of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Balaur_bondoc
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Jixiangornis
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Albertonykus
Fossil bird genus from Belgium
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Asteriornis
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Aurornis
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Bellulornis
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Rahonavis
Extinct genus of birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Ichthyornis
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Limenavis
Extinct genus of birds
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Qinornis
Extinct genus of dinosaurs
Maniraptora Therizinosauria Pennaraptora Alvarezsauria Aorun Alvarezsauroidea Haplocheirus Tugulusaurus Xiyunykus Bannykus Bonapartenykus Patagonykus
Aorun
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Mengciusornis
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Scansoriopteryx
Extinct genus of dinosaurs
Xixianykus Mononykini Albertonykus Linhenykus Mononykus Shuvuuia †Therizinosauria Eshanosaurus? Falcarius Fukuivenator? Jianchangosaurus Kayrasaurus
Epidexipteryx
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THERIZINOSAURIA
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THERIZINOSAURIA
THERIZINOSAURIA
THERIZINOSAURIA
THERIZINOSAURIA
THERIZINOSAURIA
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