Κορυφαίος σπάνιος ιγουαναδοντιανός δεινόσαυρος με τεράστιο μερικώς ριζωμένο δόντι (cf. Ouranosaurus) - Απολιθωμένο δόντι

Scientific name: Δόντι μη αναγνωρισμένου iguanodontian (ορνιθοπόδιος δεινόσαυρος). βλ. Ouranosaurus nigeriensis

Location: Gadoufaoua, Téneré Desert, Niger.

Geological Formation: Erlhaz Fm

Age: Lower Cretaceous, Aptian/Albian stage (113 εκατομμύρια χρόνια)

Size: 4,4cm

REF.: #S536

DESCRIPTION:

Observations: Με μόλις ένα απομονωμένο δόντι, είναι πολύ δύσκολο να προσδιοριστεί ακριβώς η ταξινομική ταυτοποίηση. Η μορφολογία αυτού του δοντιού ανήκει αναμφίβολα σε iguanodontian. Λόγω του τεράστιου μεγέθους του, πρέπει να αποκλειστούν τα Elrhazosaurus ή Lurdusaurus· επομένως πρέπει να αντιστοιχεί στον μεγαλύτερο iguanodontian που βρίσκεται στο χαμηλό Κρητιδικό του Erlhaz Fm: Ouranosaurus nigeriensis.

About restorations/repairs/comments: Δεν έχει αποκατασταθεί ή επικολληθεί. Είναι ένα εξαιρετικά τεράστιο μερικώς ριζωμένο δείγμα. Είναι αρκετά σπάνιο να βρεθούν τέτοια δείγματα. Οι εγκάρσιοι αυλακώσεις παραμένουν ορατές. Δείχνει επίσης μια ωραία ανεπτυγμένη φθορά φαγητού.

Iguanodontian dinosaurs from the Early Cretaceous of Niger, specifically within the Elrhaz Formation (Gadoufaoua deposits), include the prominent sail-backed Ouranosaurus nigeriensis and the heavily built Lurdusaurus arenatus. Another basal iguanodontian, Elrhazosaurus nigeriensis, is known from isolated fossils found in the region.

Ouranosaurus nigeriensis: Named by Philippe Taquet in 1976, this 7–8.3 meter long herbivore is known for the, likely, heat-regulating or display-oriented sail on its back formed by long neural spines.

Lurdusaurus arenatus: Described as having a "massively-constructed" body, this iguanodontian had a unique, almost sloth-like body form compared to other members of its group.

Elrhazosaurus nigeriensis: Originally thought to be a species of Valdosaurus, this basal iguanodontian is known from fragmentary remains.
These dinosaurs thrived in what is now the Sahara Desert during the Aptian stage (approx. 115–105 million years ago).

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