Genus
Valid Extinct

Chirostenotes

Gilmore 1924

Chirostenotes is a genus of oviraptorosaurian dinosaur from the late Cretaceous of Alberta, Canada. The type species is Chirostenotes pergracilis.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
28
Group
Dinosaures
Omnivore Ground dwelling (surface) Terrestrial
Chirostenotes
click to enlarge
Skeletal reconstructions showing known elements of Chirostenotes pergracilis. © Gregory Funston · CC BY 4.0 · Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
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Theropoda Unranked clade
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Neotheropoda Unranked clade
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Averostra Unranked clade
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Tetanurae Unranked clade
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Coelurosauria Unranked clade
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Maniraptora Unranked clade
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Oviraptorosauria Infraorder
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Caenagnathidae Family
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Chirostenotes Genus
Measurements
Length
2,6 m ⓘ
Chirostenotes pergracilis
1,7 m ⓘ
Mass
40 kg ⓘ
Chirostenotes pergracilis
Fossil sites 28 geolocated sites
Distribution
Top countries
🇺🇸 United States
19
🇨🇦 Canada
9
Geological formations
Hell Creek
14
Dinosaur Park
8
Aguja
3
Judith River
2
Wapiti
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
14
Campanian (83.6–72.2 Ma)
14
Species (3)
Caenagnathus sternbergi subjective synonym of Chirostenotes pergracilis 84 Ma
Chirostenotes pergracilis 84 Ma
Macrophalangia canadensis subjective synonym of Chirostenotes pergracilis 84 Ma
Synonyms (1)
Macrophalangia subjective synonym of Chirostenotes
Images 9
Bibliography
Original description
C. W. Gilmore. 1924. A new coelurid dinosaur from the Belly River Cretaceous of Alberta. Canada Department of Mines Geological Survey Bulletin (Geological Series) 38(43):1-12 DOI ↗
Bibliography (12)
F. Fanti, P. R. Bell, and M. J. Vavrek, D. W. Larson, E. B. Koppelhus, R. L. Sissons, A. Langone, N. E. Campione, C. Sullivan. 2022. Filling the Bearpaw gap: evidence for palaeoenvironment-driven taxon distribution in a diverse, non-marine ecosystem from the late Campanian of west-central Alberta, Canada. Palaeogeography, Palaeoclimatology, Palaeoecology 592:110923 DOI ↗
G. F. Funston. 2020. Caenagnathids of the Dinosaur Park Formation (Campanian) of Alberta, Canada: anatomy, osteohistology, taxonomy, and evolution. Vertebrate Anatomy Morphology Palaeontology 8:105-153 DOI ↗
H. Montgomery and S. Clark. 2016. Paleoecology of the Gaddis Site in the Upper Cretaceous Aguja Formation, Terlingua, Texas. Palaios 31:341-357 DOI ↗
N. R. Longrich, K. Barnes, and S. Clark, L. Millar. 2013. Caenagnathidae from the upper Campanian Aguja Formation of west Texas, and a revision of the Caenagnathinae. Bulletin of the Peabody Museum of Natural History 54(1):23-49 DOI ↗
M. T. Carrano. 2005. Fossil Vertebrate Collections, University of California Museum of Paleontology
P. J. Currie and D. A. Russell. 2005. The geographic and stratigraphic distribution of articulated and associated dinosaur remains. Dinosaur Provincial Park: A Spectacular Ancient Ecosystem Revealed. Indiana University Press, Bloomington
A. R. Fiorillo. 1989. The vertebrate fauna from the Judith River Formation (Late Cretaceous) of Wheatland and Golden Valley counties, Montana. Mosasaur 4:127-142
P. J. Currie and D. A. Russell. 1988. Osteology and relationships of <i>Chirostenotes pergracilis</i> (Saurischia, Theropoda) from the Judith River (Oldman) Formation of Alberta, Canada. Canadian Journal of Earth Sciences 25:972-986 DOI ↗
J. Cracraft. 1971. Caenagnathiformes: Cretaceous birds convergent in jaw mechanism to dicynodont reptiles. Journal of Paleontology 45(5):805-809
M. T. Greenwald. 1971. The Lower Vertebrates of the Hell Creek Formation, Harding County, South Dakota.
C. M. Sternberg. 1932. Two new theropod dinosaurs from the Belly River Formation of Alberta. Canadian Field-Naturalist 46(5):99-105 DOI ↗
C. W. Gilmore. 1924. A new coelurid dinosaur from the Belly River Cretaceous of Alberta. Canada Department of Mines Geological Survey Bulletin (Geological Series) 38(43):1-12 DOI ↗