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(A) “Spinosaurus B” in anterior view; (B) holotype of Sigilmassasaurus brevicollis in anterior view; (C) BSPG 2006 I 54 in anterior view; (D) “Spinosaurus B” in left lateral view; (E) holotype of Sigilmassasaurus brevicollis in left lateral view; (F) BSPG 2006 I 54 in left lateral view. (A, C) modified from Stromer 1934.
The following other wikis use this file: Usage on ar.wikipedia.org جمجمة; سبينوصور; قادمة الفك العلوي; Usage on bs.wikipedia.org
Juvenile spinosaurid fossils are somewhat rare. However, an ungual phalanx measuring 21 mm (0.83 in) belonging to a very young Spinosaurus indicates that Spinosaurus, and probably by extent other spinosaurids, may have developed their semiaquatic adaptations at birth or at a very young age and maintained the adaptations throughout their lives ...
Spinosaurus is the longest known terrestrial carnivore; other large carnivores comparable to Spinosaurus include theropods such as Tyrannosaurus, Giganotosaurus and the coeval Carcharodontosaurus. The most recent study suggests that previous body size estimates are overestimated, and that S. aegyptiacus reached 14 m (46 ft) in length and 7.4 t ...
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The William Farquhar Collection of Natural History Drawings consists of 477 watercolour botanical drawings of plants and animals of Malacca and Singapore by unknown Chinese (probably Cantonese) artists that were commissioned between 1819 and 1823 by William Farquhar (26 February 1774 – 13 May 1839). The paintings were meant to be of ...
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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.