Family
Formal taxon Extinct

Montanoolithidae

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
›
Theropoda Unranked clade
›
Neotheropoda Unranked clade
›
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
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
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 ↗