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słonie: Nigersaurus

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It had a wide muzzle filled with more than 500 teeth, which were replaced at a rapid rate: around every 14 days.
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Nigersaurus () is a genus of rebbachisaurid sauropod dinosaur that lived during the middle Cretaceous period, about 115 to 105 million years ago. It was discovered in the Elrhaz Formation in an area called Gadoufaoua, in Niger. Fossils of this dinosaur were first described in 1976, but it was only named Nigersaurus taqueti in 1999 after further and more complete remains were found and described. The genus name means "Niger reptile", and the specific name honours the palaeontologist Philippe Taquet, who discovered the first remains. Small for a sauropod, Nigersaurus was about 9–14.1 m (30–46 ft) long, and had a short neck. It weighed around 1.9–4 t (2.1–4.4 short tons), comparable to a modern elephant. Its skull was very specialised for feeding, with large fenestrae and thin bones. It had a wide muzzle filled with more than 500 teeth, which were replaced at a rapid rate: around every 14 days. The jaws may have borne a keratinous sheath. Unlike other tetrapods, the tooth-bearing bones of its jaws were rotated transversely relative to the rest of the skull, so that all of its teeth were located far to the front. Its skeleton was highly pneumatised (filled with air spaces connected to air sacs), but the limbs were robustly built. Nigersaurus and its closest relatives are grouped within the subfamily Rebbachisaurinae (formerly thought to be grouped in the eponymous Nigersaurinae) o…
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Notatka fact-checku: Fact-check 3.0-content-aware: no sufficient claim-bound corroboration after 3 healthy attempts. Scope=verify the factual claim. Required independent sources=2; stored evidence groups=1. Provider/API errors did not consume attempts. | Fact-check 4.3.2: research wznowiony bez zdejmowania HOLD. Poprzednia metoda: factcheck-300-content-aware.

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Evidence: 100 • authority: 72

Nigersaurus () is a genus of rebbachisaurid sauropod dinosaur that lived during the middle Cretaceous period, about 115 to 105 million years ago. It was discovered in the Elrhaz Formation in an area called Gadoufaoua, in Niger. Fossils of this dinosaur were first described in 1976, but it was only named Nigersaurus taqueti in 1999 after further and more complete remains were found and described. The genus name means "Niger reptile", and the specific name honours the palaeontologist Philippe Taquet, who discovered the first remains. Small for a sauropod, Nigersaurus was about 9–14.1 m (30–46 ft) long, and had a short neck. It weighed around 1.9–4 t (2.1–4.4 short tons), comparable to a moder…

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Europe PMC / PeerJpomocniczeniezależne

Evidence: 24 • authority: 92

Cranial anatomy, palaeoneurology, palaeobiology and stratigraphic age of the large-bodied ornithopod, <i>Muttaburrasaurus langdoni</i> Bartholomai and Molnar, 1981, from the mid-Cretaceous of Australia.. The holotype of Muttaburrasaurus langdoni Bartholomai & Molnar, 1981, a large-bodied ornithopod from the mid-Cretaceous of Australia, consists of an almost complete skull and partial postcranium, and is among the most skeletally complete ornithopods from Gondwana. The taxon was defined by a dorsally inflated muzzle, thought to be formed by the nasals, enlarged mandibular adductor musculature and cheek teeth thought to have a uniquely en masse eruption pattern. The rostrum, howev…

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