2点セット、良好に保存されたOuranosaurus nigeriensis、基底的ハドロサウリフォルム・イグアノドン類の恐竜の歯 - 化石歯





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This natural set of two Ouranosaurus nigeriensis teeth dates from the Lower Cretaceous, Aptian–Albian stage, around 113 million years ago, and has no restorations or repairs.
Description from the seller
学名: Ouranosaurus nigeriensis, (Taquet, 1976) - 基底ハドロサウリフォルム - イグアノドン類 - 歯2本セット
Location: Gadoufaoua, Téneré Desert, Niger.
Geological Formation: Erlhaz Fm
Age: Lower Cretaceous, Aptian/Albian stage ( 113 million years)
Size: (The Biggest) 2,1cm
REF.: #J1034
DESCRIPTION:
Observations about our specimens: Nicely developed feeding wear. No restorations or repairs. Enamel color its outstanding as well.
Ouranosaurus nigeriensis is a 7–8 meter (23–27 ft) long, herbivorous dinosaur that lived in Niger during the Early Cretaceous (Aptian stage, ~110–125 million years ago). Named in 1976 by Philippe Taquet, this ornithopod is distinct for the long, sail-like or hump-like structure along its back, likely used for thermoregulation or display.
Key Facts About Ouranosaurus:
Discovery: Two nearly complete skeletons were discovered in 1965 and 1970 in the Gadoufaoua deposits (Elrhaz Formation) in the Agadez region of Niger.
Physical Features: It had a flat, duck-like snout, a stiff back with long neural spines forming a sail, a long, deep tail, and a mix of bipedal/quadrupedal features.
Classification: Initially classified as an iguanodontian, it is currently recognized as a basal hadrosauriform.
Habitat: It inhabited a wet, fluvial environment (rivers and floodplains) alongside predators like Suchomimus and Eocarcharia.
Weight: Estimated to weigh between 2.2 and 4 metric tons.
Unique Characteristics
The Sail/Hump: The spines on its back were high, particularly over the arms, leading to debates on whether it held a, skin sail (like Spinosaurus) or a, fat-filled hump (like a camel).
"Brave" Name: The name means "brave lizard" in local dialects and the Greek word for lizard.
Unique Features: Unlike other iguanodonts, its fifth finger was not prehensile.
All of our fossils come with a Certificate of Authenticity. Every week, the issued Certificates of Authenticity are updated in our database verification system on our website. If you find that your certificate has not yet been updated, please contact us and we will update it immediately. Display box included.
Seller's Story
学名: Ouranosaurus nigeriensis, (Taquet, 1976) - 基底ハドロサウリフォルム - イグアノドン類 - 歯2本セット
Location: Gadoufaoua, Téneré Desert, Niger.
Geological Formation: Erlhaz Fm
Age: Lower Cretaceous, Aptian/Albian stage ( 113 million years)
Size: (The Biggest) 2,1cm
REF.: #J1034
DESCRIPTION:
Observations about our specimens: Nicely developed feeding wear. No restorations or repairs. Enamel color its outstanding as well.
Ouranosaurus nigeriensis is a 7–8 meter (23–27 ft) long, herbivorous dinosaur that lived in Niger during the Early Cretaceous (Aptian stage, ~110–125 million years ago). Named in 1976 by Philippe Taquet, this ornithopod is distinct for the long, sail-like or hump-like structure along its back, likely used for thermoregulation or display.
Key Facts About Ouranosaurus:
Discovery: Two nearly complete skeletons were discovered in 1965 and 1970 in the Gadoufaoua deposits (Elrhaz Formation) in the Agadez region of Niger.
Physical Features: It had a flat, duck-like snout, a stiff back with long neural spines forming a sail, a long, deep tail, and a mix of bipedal/quadrupedal features.
Classification: Initially classified as an iguanodontian, it is currently recognized as a basal hadrosauriform.
Habitat: It inhabited a wet, fluvial environment (rivers and floodplains) alongside predators like Suchomimus and Eocarcharia.
Weight: Estimated to weigh between 2.2 and 4 metric tons.
Unique Characteristics
The Sail/Hump: The spines on its back were high, particularly over the arms, leading to debates on whether it held a, skin sail (like Spinosaurus) or a, fat-filled hump (like a camel).
"Brave" Name: The name means "brave lizard" in local dialects and the Greek word for lizard.
Unique Features: Unlike other iguanodonts, its fifth finger was not prehensile.
All of our fossils come with a Certificate of Authenticity. Every week, the issued Certificates of Authenticity are updated in our database verification system on our website. If you find that your certificate has not yet been updated, please contact us and we will update it immediately. Display box included.

