Ondogurvel: Difference between revisions
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'''''Ondogurvel''''' ({{IPA-all|ɒndɒɡurw̜iɮ}}) is a [[genus]] of [[Alvarezsauridae|alvarezsaurid]] [[dinosaur]] from the [[ |
'''''Ondogurvel''''' ({{IPA-all|ɒndɒɡurw̜iɮ}}) (meaning "egg lizard") is a [[genus]] of [[Alvarezsauridae|alvarezsaurid]] [[dinosaur]] from the [[Late Cretaceous]] ([[Campanian]]) [[Barun_Goyot_Formation|Barun Goyot Formation]] in southern [[Mongolia]]. The type and only species is '''''O'''.'' '''''alifanovi''''', known from a partial skeleton consisting of fragments of two last [[Thoracic vertebrae|dorsal vertebrae]], three anterior [[Sacrum|sacral vertebrae]], right [[Ilium (bone)|ilium]], left and right [[Pubis (bone)|pubis]] and [[ischium]], articulated right [[tibia]], [[fibula]], [[Metatarsal bones|metatarsals]] II and IV, and [[Phalanx bone|phalanges]] IV-1 and IV-2, right [[carpometacarpus]], left and right manual phalanx II-1, right [[femur]], left pedal phalanx II-1, and fragments of unidentified phalanges.<ref name=Averianov>{{cite journal |author1=Alexander O. Averianov |author2=Alexey V. Lopatin |title=A new alvarezsaurid theropod dinosaur from the Upper Cretaceous of Gobi Desert, Mongolia |journal=Cretaceous Research |date=19 February 2022 |volume=134 |issue= |page= |doi=10.1016/j.cretres.2022.105168 |url=https://www.sciencedirect.com/science/article/abs/pii/S0195667122000325 |access-date=19 February 2022 |issn=}}</ref> |
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==Discovery== |
==Discovery and naming== |
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In 2022, the type species ''Ondogurvel alifanovi'' was named and described by Alexander O. Averianov and Alexey V. Lopatin. The generic name ''Ondogurvel'' combines the Mongolian words өндөг “ondo” ({{IPA-all|ɒndɒ}}), |
In 2022, the type species ''Ondogurvel alifanovi'' was named and described by Alexander O. Averianov and Alexey V. Lopatin. The generic name, "''Ondogurvel''" combines the Mongolian words өндөг “ondo” ({{IPA-all|ɒndɒ}}), meaning egg, and гүрвэл “gurvel” ({{IPA-all|ɡurw̜iɮ}}), meaning lizard. The specific name, "''alifanovi''" ({{IPA-all|ɑːlɪfɑːnɔːvaɪ}}) honors the late Russian paleontologist Vladimir Alifanov who found the holotype specimen ('''PIN 5838/1''') in 1999.<ref name=Averianov/> |
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==Description== |
==Description== |
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''Ondogurvel'' was a bipedal [[theropod]]. Like other [[Alvarezsauridae|parvicursorines]], it had a robust humerus, and |
''Ondogurvel'' was a bipedal [[Theropoda|theropod]]. Like other [[Alvarezsauridae|parvicursorines]], it had a robust humerus, and long hindlimbs suggesting a [[Cursorial|cusorial]] lifestyle. It is unique in that, unlike all other alvarezsaurids, it has metartarsals II and IV completely fused along their contact area.<ref name=Averianov/> |
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==Classification== |
==Classification== |
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Averianov and Lopatin (2022) place ''Ondogurvel'' in the [[Alvarezsauridae|alvarezsaurid]] [[subfamily]] [[Alvarezsauridae|Parvicursorinae]] which are classified by their manus morphology. |
Averianov and Lopatin (2022) place ''Ondogurvel'' in the [[Alvarezsauridae|alvarezsaurid]] [[subfamily]] [[Alvarezsauridae|Parvicursorinae]] which are classified by their manus morphology. They recovered that ''Ondogurvel'' formed a clade with ''[[Xixianykus]]'' and ''[[Albinykus]]'' which have proximally co-ossified metatarsals II and IV. The describing paper also proposes that the "drastic difference in the morphology of the carpometacarpus across Parvicursorinae may suggest a deep divergence between the parvicursorine lineages represented by the Bissekty alvarezsaurid – ''Linhenykus'' and ''Mononykus'' – ''Ondogurvel''". Phylogeny after Averianov & Lopatin (2022):<ref name="Averianov" /> |
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Phylogeny after Averianov & Lopatin (2022) |
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== Paleobiology == |
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''[[Nemegtomaia]]'', an oviraptorosaur, is also known from the Nemegt locality of the [[Barun Goyot Formation]] of Mongolia.<ref>{{cite journal|last1=Fanti|first1=F.|last2=Currie|first2=P. J.|last3=Badamgarav|first3=D.|last4=Lalueza-Fox|first4=C.|date=2012|title=New specimens of Nemegtomaia from the Baruungoyot and Nemegt Formations (Late Cretaceous) of Mongolia|journal=PLOS ONE|volume=7|issue=2|pages=e31330|bibcode=2012PLoSO...731330F|doi=10.1371/journal.pone.0031330|pmc=3275628|pmid=22347465|doi-access=free}}</ref> Other localities have yielded other alvarezsaurids (''[[Ceratonykus]],<ref>Alifanov, V. R.; Barsbold, R. (2009). Ceratonykus oculatus gen. et sp. nov., a new dinosaur (? Theropoda, Alvarezsauria) from the Late Cretaceous of Mongolia. Paleontological Journal 43 (1): 94−106.</ref>'' ''[[Khulsanurus]],<ref>{{Cite journal|last1=Averianov|first1=Alexander O.|last2=Lopatin|first2=Alexey V.|date=2021-11-18|title=The second taxon of alvarezsaurid theropod dinosaurs from the Late Cretaceous Khulsan locality in Gobi Desert, Mongolia|url=https://doi.org/10.1080/08912963.2021.2000976|journal=Historical Biology|pages=1–12|doi=10.1080/08912963.2021.2000976|issn=0891-2963|s2cid=244421277}}</ref>'' and ''[[Parvicursor]]<ref>Karhu, A. A.; Rautian, A. S. (1996). A new family of Maniraptora (Dinosauria: Saurischia) from the Late Cretaceous of Mongolia. Paleontological Journal. 30, 583−592.</ref>''), as well as dromaeosaurs, oviraptorosaurs, a halszkaraptorine, sauropods, ceratopsians, a pachycephalosaur, ankylosaurs, avian dinosaurs (birds), and several mammals. |
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== References == |
== References == |
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Revision as of 20:37, 19 February 2022
| Ondogurvel Temporal range:
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Family: | †Alvarezsauridae |
| Subfamily: | †Parvicursorinae |
| Genus: | †Ondogurvel Averianov & Lopatin, 2022 |
| Type species | |
| †Ondogurvel alifanovi Averianov & Lopatin, 2022
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Ondogurvel (IPA: [ɒndɒɡurw̜iɮ]) (meaning "egg lizard") is a genus of alvarezsaurid dinosaur from the Late Cretaceous (Campanian) Barun Goyot Formation in southern Mongolia. The type and only species is O. alifanovi, known from a partial skeleton consisting of fragments of two last dorsal vertebrae, three anterior sacral vertebrae, right ilium, left and right pubis and ischium, articulated right tibia, fibula, metatarsals II and IV, and phalanges IV-1 and IV-2, right carpometacarpus, left and right manual phalanx II-1, right femur, left pedal phalanx II-1, and fragments of unidentified phalanges.[1]
Discovery and naming
In 2022, the type species Ondogurvel alifanovi was named and described by Alexander O. Averianov and Alexey V. Lopatin. The generic name, "Ondogurvel" combines the Mongolian words өндөг “ondo” (IPA: [ɒndɒ]), meaning egg, and гүрвэл “gurvel” (IPA: [ɡurw̜iɮ]), meaning lizard. The specific name, "alifanovi" (IPA: [ɑːlɪfɑːnɔːvaɪ]) honors the late Russian paleontologist Vladimir Alifanov who found the holotype specimen (PIN 5838/1) in 1999.[1]
Description
Ondogurvel was a bipedal theropod. Like other parvicursorines, it had a robust humerus, and long hindlimbs suggesting a cusorial lifestyle. It is unique in that, unlike all other alvarezsaurids, it has metartarsals II and IV completely fused along their contact area.[1]
Classification
Averianov and Lopatin (2022) place Ondogurvel in the alvarezsaurid subfamily Parvicursorinae which are classified by their manus morphology. They recovered that Ondogurvel formed a clade with Xixianykus and Albinykus which have proximally co-ossified metatarsals II and IV. The describing paper also proposes that the "drastic difference in the morphology of the carpometacarpus across Parvicursorinae may suggest a deep divergence between the parvicursorine lineages represented by the Bissekty alvarezsaurid – Linhenykus and Mononykus – Ondogurvel". Phylogeny after Averianov & Lopatin (2022):[1]
| Alvarezsauridae |
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Paleobiology
Nemegtomaia, an oviraptorosaur, is also known from the Nemegt locality of the Barun Goyot Formation of Mongolia.[2] Other localities have yielded other alvarezsaurids (Ceratonykus,[3] Khulsanurus,[4] and Parvicursor[5]), as well as dromaeosaurs, oviraptorosaurs, a halszkaraptorine, sauropods, ceratopsians, a pachycephalosaur, ankylosaurs, avian dinosaurs (birds), and several mammals.
References
- ^ a b c d Alexander O. Averianov; Alexey V. Lopatin (19 February 2022). "A new alvarezsaurid theropod dinosaur from the Upper Cretaceous of Gobi Desert, Mongolia". Cretaceous Research. 134. doi:10.1016/j.cretres.2022.105168. Retrieved 19 February 2022.
- ^ Fanti, F.; Currie, P. J.; Badamgarav, D.; Lalueza-Fox, C. (2012). "New specimens of Nemegtomaia from the Baruungoyot and Nemegt Formations (Late Cretaceous) of Mongolia". PLOS ONE. 7 (2): e31330. Bibcode:2012PLoSO...731330F. doi:10.1371/journal.pone.0031330. PMC 3275628. PMID 22347465.
- ^ Alifanov, V. R.; Barsbold, R. (2009). Ceratonykus oculatus gen. et sp. nov., a new dinosaur (? Theropoda, Alvarezsauria) from the Late Cretaceous of Mongolia. Paleontological Journal 43 (1): 94−106.
- ^ Averianov, Alexander O.; Lopatin, Alexey V. (2021-11-18). "The second taxon of alvarezsaurid theropod dinosaurs from the Late Cretaceous Khulsan locality in Gobi Desert, Mongolia". Historical Biology: 1–12. doi:10.1080/08912963.2021.2000976. ISSN 0891-2963. S2CID 244421277.
- ^ Karhu, A. A.; Rautian, A. S. (1996). A new family of Maniraptora (Dinosauria: Saurischia) from the Late Cretaceous of Mongolia. Paleontological Journal. 30, 583−592.
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