最上位の巨大なエウサウロポダ cf. Jobaria 竜脚類恐竜の歯 - ジュラ紀 Tiouraren層 - 化石歯





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Top Huge Eusauropoda cf Jobaria tiguidensis sauropod dinosaur tooth from the Tiouraren Formation, Middle Jurassic Bathonian (about 167 million years ago) in Niger; natural condition, original/official authenticity, size 4.8 cm, display box included.
Description from the seller
Scientific name: Eusauropoda cf Jobaria tiguidensis (Sereno et al., 1999) - Sauropod Dinosaur Tooth
Location: Agadez region,Téneré Desert, Niger.
Geological Formation: Tiouraren Fm
Age: Middle Jurassic, Bathonian stage ( 167 million years)
Size: 4,8cm
REF.: #S600
DESCRIPTION:
Observations about our specimen: The most remarkable feature of this tooth is its size, far exceeding the average for this species. It undoubtedly belonged to a very old individual. It has no restorations or repairs of any kind. Feeding wear is also visible in the apical section.
Jobaria tiguidensis teeth, originating from the Middle Jurassic (approx. 165–167 million years ago) Tiouraren Formation in the Agadez region of Niger, are rare fossils featuring a distinct spoon-shaped (spatulate) morphology.
These large herbivores possessed these specialized teeth for stripping leaves from branches, with specimens often found displaying minimal wear.
Key details regarding Jobaria teeth from Niger:
Physical Characteristics: The teeth are generally spoon-shaped or spatulate, adapted for foraging. They are often found in lengths around 2 to 5cm.
Location and Age: Fossils are primarily found in the Tiouraren Formation in the Agadez region of the Sahara Desert, Niger. They date back to the Middle Jurassic period (Bathonian stage), not the Cretaceous as once thought.
Discovery: The dinosaur was identified by Paul Sereno's team in 1997, with significant, relatively complete skeletons found in the area.
Dietary Function: As part of a basal macronarian sauropod, Jobaria used these teeth to browse on vegetation, possibly using their necks and teeth to strip leaves.
Comparison: Unlike the numerous, delicate, pencil-like teeth of Nigersaurus, Jobaria teeth are robust and less numerous.
Note: While many sauropod teeth from this region are attributed to Jobaria, some found by collectors are labeled more generally as Eusauropoda or cf. Jobaria.
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
Scientific name: Eusauropoda cf Jobaria tiguidensis (Sereno et al., 1999) - Sauropod Dinosaur Tooth
Location: Agadez region,Téneré Desert, Niger.
Geological Formation: Tiouraren Fm
Age: Middle Jurassic, Bathonian stage ( 167 million years)
Size: 4,8cm
REF.: #S600
DESCRIPTION:
Observations about our specimen: The most remarkable feature of this tooth is its size, far exceeding the average for this species. It undoubtedly belonged to a very old individual. It has no restorations or repairs of any kind. Feeding wear is also visible in the apical section.
Jobaria tiguidensis teeth, originating from the Middle Jurassic (approx. 165–167 million years ago) Tiouraren Formation in the Agadez region of Niger, are rare fossils featuring a distinct spoon-shaped (spatulate) morphology.
These large herbivores possessed these specialized teeth for stripping leaves from branches, with specimens often found displaying minimal wear.
Key details regarding Jobaria teeth from Niger:
Physical Characteristics: The teeth are generally spoon-shaped or spatulate, adapted for foraging. They are often found in lengths around 2 to 5cm.
Location and Age: Fossils are primarily found in the Tiouraren Formation in the Agadez region of the Sahara Desert, Niger. They date back to the Middle Jurassic period (Bathonian stage), not the Cretaceous as once thought.
Discovery: The dinosaur was identified by Paul Sereno's team in 1997, with significant, relatively complete skeletons found in the area.
Dietary Function: As part of a basal macronarian sauropod, Jobaria used these teeth to browse on vegetation, possibly using their necks and teeth to strip leaves.
Comparison: Unlike the numerous, delicate, pencil-like teeth of Nigersaurus, Jobaria teeth are robust and less numerous.
Note: While many sauropod teeth from this region are attributed to Jobaria, some found by collectors are labeled more generally as Eusauropoda or cf. Jobaria.
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.

