Rare et impressionnant squelette complet...

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Result : 1 128 375EUR

Rare et impressionnant squelette complet...

Rare et impressionnant squelette complet de dinosaure Allosaure (marsh-1877), USA Rare and spectacular complete skeleton of dinosaur Allosaurus (Marsh -1877), U.S.A Age
Morrison-Formation, Upper Jurassic/ Jurassic supérieur
Site de collecte
Waterfall-Digsite, Harlan Ranch, Eastern Bighorn Mountains, Johnson County/Wyoming. U.S.A Date de découverte 2013/ found in 2013, all bones excavated in 2013 season
Expert Monsieur Eric Mickeler, membre de la Chambre Européenne des Experts Conseils en Oeuvres d'Art. Longueur: environ 7,5 m; longueur du crâne: 78 cm

Age
Morrison-Formation, Upper Jurassic
Digsite
Waterfall-Digsite, Harlan Ranch, Eastern Bighorn Mountains, Johnson County/ Wyoming.
History of find
found in 2013, all bones excavated in 2013 season
Geological context
The digsite comprises fine grained and well sorted sandstones with lithoclasts of claystone deriving from the eroded basement. The basement consists of gray-green clay-and siltstones, which represent floodplain-/overbank-deposits. The sandstones represent the channel fill of an ancient river bed. Dinosaur skeletons were deposited in these channels, and they were buried rapidly with sand. Even in high hydrodynamic energy environment, the skeletons show good preservation and completeness in general.
Completeness
Due to field situation about 70% (statistically weighted skeleton percentage method!).
Size 7,5m. Length of tibia 70cm. Length of skull 78 cm!
Special features:
-fully articulated skull with teeth in place, teeth stand out of the jaw up to 7cm!!
-perfectly articulated section of at least 8 cervical verts!!!
-good bone quality, little compression of some bones occurred.
Estimation sur demande
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A real T-rex of the Jurassic period, the Allosaurus is a kind of dinosaur belonging to the subordinate group of Theropodas that lived 153 to 135 million years ago. Its fi
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