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10.1" Hadrosaur (Hypacrosaur) Left Mandible - Awesome Tooth Battery!
This is an exceptional hadrosaur (Hypacrosaurus stebingeri) mandible (lower jaw) from the Two Medicine Formation of Glacier County, Montana. It would have been from the left side of the jaw on a young adult hadrosaur. The entire piece is 10.1" long and has a full battery of nicely preserved teeth still in place. The preservation of the teeth is excellent, with no gap fill restoration to any of the dental battery.
The mandible was found broken into several pieces within the rock, require crack repair and gap fill restoration in spots where the bone crumbled away. Considering this, the restoration required is quite minimal, making up only about 5% of the jaw.
This stunning specimen comes with the pictured custom metal display stand.
The mandible was found broken into several pieces within the rock, require crack repair and gap fill restoration in spots where the bone crumbled away. Considering this, the restoration required is quite minimal, making up only about 5% of the jaw.
This stunning specimen comes with the pictured custom metal display stand.
About Hypacrosaurus
Hypacrosaurus is a very large, Lambeosaurini Hadrsosaur that would have been almost as large as the Tyrannosaurs that it lived alongside. Like Corythosaurus, it had a tall, hollow, rounded crest, although not as large and straight. It is known from the remains of two species that spanned 75 to 67 million years ago in the Late Cretaceous of Alberta, Canada, and Montana, United States, and is the latest hollow-crested duckbill known from good remains in North America. It is estimated to have been around 9.1 meters (30 feet) long and to have weighed up to 4-5 tons.
Hypacrosaurus drawing by Wikipedia user debivort. Creative Commons License
Hypacrosaurus is a very large, Lambeosaurini Hadrsosaur that would have been almost as large as the Tyrannosaurs that it lived alongside. Like Corythosaurus, it had a tall, hollow, rounded crest, although not as large and straight. It is known from the remains of two species that spanned 75 to 67 million years ago in the Late Cretaceous of Alberta, Canada, and Montana, United States, and is the latest hollow-crested duckbill known from good remains in North America. It is estimated to have been around 9.1 meters (30 feet) long and to have weighed up to 4-5 tons.
Hypacrosaurus drawing by Wikipedia user debivort. Creative Commons License
SPECIES
Hypacrosaurus stebingeri
LOCATION
Glacier County, Montana
FORMATION
Two Medicine Formation
SIZE
10.1 x 4.4 x 2.6"
CATEGORY
SUB CATEGORY
ITEM
#206201
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