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Species: Maiasaura peeblesorum
Formation: Two Medicine Formation
Locality: Teton County, Montana
Age: Campanian Cretaceous, 80-74 million years oldAn authentic and positively identified Maiasaura peeblesorum Astragalus Fossil from the Cretaceous (approximately 80 to 74 million years ago) Two Medicine Formation in Teton County, Montana.
This is by far the largest Maiasaura Astragalus our lab has ever seen, measuring approximately 7 x 6 x 4 inches and weighing 3.0 lb.
The identity determination is certain as Maiasaura peeblesorum because the exact site this fossil was extracted from has only ever had one hadrosaur discovered within it, that being Maiasaura.
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