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Description: Drawings comparing “Spinosaurus B” and Sigilmassasaurus. (A) “Spinosaurus B” in anterior view; (B) holotype of Sigilmassasaurus brevicollis in anterior view; (C) BSPG 2006 I 54 in anter
The following other wikis use this file: Usage on ar.wikipedia.org جمجمة; سبينوصور; قادمة الفك العلوي; Usage on bs.wikipedia.org
Spinosaurus is known to have eaten fish and small to medium terrestrial prey as well. [5] Evidence suggests that it was semiaquatic; how capable it was of swimming has been strongly contested. Spinosaurus's leg bones had osteosclerosis (high bone density), allowing for better buoyancy control.
The authors also proposed Spinosaurus maroccanus as a junior synonym of Sigilmassasaurus, and rejected the proposal of a Spinosaurus aegyptiacus neotype. [4] A study by British paleontologist Thomas Arden and colleagues in 2018 concluded that Sigilmassasaurus was a valid genus and formed a tribe with Spinosaurus termed Spinosaurini.
English: A size comparison of various specimens of the theropod dinosaur genus Spinosaurus. References: Ibrahim, Nizar & Sereno, Paul & Dal Sasso, Cristiano & Maganuco, Simone & Fabbri, Matteo & Martill, David & Zouhri, Samir & Myhrvold, Nathan & Iurino, Dawid. (2014). Semiaquatic adaptations in a giant predatory dinosaur.
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This follows an average retail drop of about $0.20 per gallon from 2023 to 2024, thanks to lower crude oil prices and narrower refinery margins.. Despite a continued downward trend, however, the ...
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