Genus
Valid Extinct

Caenagnathus

Sternberg 1940

Caenagnathus is a genus of caenagnathid oviraptorosaurian dinosaur from the late Cretaceous period. It is known from partial remains including lower jaws, a tail vertebra, hand bones, hind limbs, and pelvis, all found in the Dinosaur Park Formation of Alberta, Canada.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
8
Group
Dinosaures
Omnivore Ground dwelling (surface) Terrestrial
Caenagnathus
click to enlarge
Skeletal reconstructions of Dinosaur Park Formation caenagnathids. Skeletal reconstructions of Citipes elegans (left), Chirostenotes pergracilis (middle), and Caenagnathus collinsi (right), showing variation in skeletal representation and body size. Previously referred material is indicated in white and newly referred material is indicated in red for each taxon. Blue asterisks indicate elements that have been histologically sampled for each taxon. Citipes elegans: dentaries, metatarsal IV; Chirostenotes pergracilis: dentaries, tibia; Caenagnathus collinsi: pubis. © Gregory Funston · CC BY 4.0 · Wikimedia
Caenagnathus
Caenagnathus
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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Caenagnathinae Subfamily
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Caenagnathus Genus
Measurements
Length
3,65 m ⓘ
Caenagnathus collinsi
Mass
210 kg ⓘ
Caenagnathus collinsi
Fossil sites 8 geolocated sites
Distribution
Top countries
🇨🇦 Canada
7
🇺🇸 United States
1
Geological formations
Dinosaur Park
7
Hell Creek
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
1
Campanian (83.6–72.2 Ma)
7
Species (1)
Caenagnathus collinsi 84 Ma
Images 4
Bibliography
Original description
R. M. Sternberg. 1940. A toothless bird from the Cretaceous of Alberta. Journal of Paleontology 14(1):81-85
Bibliography (3)
G. F. Funston, W. S. Persons, IV, and G. J. Bradley, P. J. Currie. 2015. New material of the large-bodied caenagnathid Caenagnathus collinsi from the Dinosaur Park Formation of Alberta, Canada. Cretaceous Research 54(1):179-187 DOI ↗
P. J. Currie, S. J. Godfrey, and L. Nessov. 1994. New caenagnathid (Dinosauria, Theropoda) specimens from the Upper Cretaceous of North America and Asia. Canadian Journal of Earth Sciences 30(10-11):2255-2272 DOI ↗
R. M. Sternberg. 1940. A toothless bird from the Cretaceous of Alberta. Journal of Paleontology 14(1):81-85