Species
Valid Extinct

Maiasaura peeblesorum

Horner and Makela 1979

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
5
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
🦴
PBDB ↗
Classification
Dinosauria Unranked clade
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Ornithischia Unranked clade
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Neornithischia Unranked clade
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Pyrodontia Unranked clade
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Cerapoda Unranked clade
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Ornithopoda Suborder
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Iguanodontia Infraorder
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Euiguanodontia Unranked clade
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Dryomorpha Unranked clade
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Ankylopollexia Unranked clade
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Styracosterna Unranked clade
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Hadrosauriformes Unranked clade
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Hadrosauroidea Unranked clade
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Hadrosauridae Family
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Hadrosaurinae Subfamily
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Brachylophosaurini Unranked clade
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Maiasaura Genus
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Maiasaura peeblesorum Species
Fossil sites 5 geolocated sites
Distribution
Top countries
🇺🇸 United States
5
Geological formations
Two Medicine
5
Temporal distribution
Campanian (83.6–72.2 Ma)
5
Bibliography
Original description
J. R. Horner and R. Makela. 1979. Nest of juveniles provides evidence of family structure among dinosaurs. Nature 282:296-298 DOI ↗
Bibliography (4)
R. R. Rogers, J. R. Horner, and J. Ramezani, E. M. Roberts, D. J. Varricchio. 2024. Updating the Upper Cretaceous (Campanian) Two Medicine Formation of Montana: lithostratigraphic revisions, new CA-ID-TIMS U-Pb ages, and a calibrated framework for dinosaur occurrences. GSA Bulletin DOI ↗
D. A. Burnham, K. L. Derstler, and P. J. Currie, R. T. Bakker, Z. Zhou, J. H. Ostrom. 2000. Remarkable new birdlike dinosaur (Theropoda: Maniraptora) from the Upper Cretaceous of Montana. University of Kansas Paleontological Contributions 13:1-14
D. J. Varricchio. 1993. Taphonomy of Jack's Birthday site, a diverse dinosaur bone bed. Journal of Vertebrate Paleontology 13(3, suppl.):61A
J. R. Horner and R. Makela. 1979. Nest of juveniles provides evidence of family structure among dinosaurs. Nature 282:296-298 DOI ↗