Genus
Formal taxon Extinct

Montanoolithus

Zelenitsky and Therrien 2008

Montanoolithus is an oogenus of fossil egg found in Montana and Alberta. They were probably laid by a dromaeosaur or a caenagnathid.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
4
Group
Dinosaures
Carnivore Ground dwelling, solitary Terrestrial
🦴
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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Montanoolithidae Family
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Montanoolithus Genus
Fossil sites 4 geolocated sites
Distribution
Top countries
🇨🇦 Canada
2
🇺🇸 United States
1
🇫🇷 France
1
Geological formations
Oldman
2
Two Medicine
1
Marnes Rouges Inférieures
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
1
Campanian (83.6–72.2 Ma)
3
Species (2)
Montanoolithus labadousensis 72 Ma
Montanoolithus strongorum 84 Ma
Bibliography
Original description
D. K. Zelenitsky and F. Therrien. 2008. Unique maniraptoran egg clutch from the Upper Cretaceous Two Medicine Formation of Montana reveals theropod nesting behaviour. Palaeontology 51(6):1253-1259 DOI ↗
Bibliography (2)
B. Vila, A. G. Selles, and J.-C. Beetschen. 2017. The controversial Les Labadous eggshells: A new and peculiar dromaeosaurid (Dinosauria: Theropoda) ootype from the Upper Cretaceous of Europe. Cretaceous Research 72:117-123 DOI ↗
D. K. Zelenitsky and F. Therrien. 2008. Unique maniraptoran egg clutch from the Upper Cretaceous Two Medicine Formation of Montana reveals theropod nesting behaviour. Palaeontology 51(6):1253-1259 DOI ↗