Sullivan Halipré

化石拍賣

来自摩洛哥的美丽莫拉鳄颚骨，牙齿有根部，包含下颌骨的一部分。该骨头已部分修复，但化石的天然多孔性仍清晰可见。它是在Khouribga的磷矿沉积物中发现的。这种白垩纪海生爬行动物曾是当时最大的海洋掠食者之一。
Mosasaurus 是末期莫拉鳄中之一，也是最大的之一。与大多数莫拉鳄兽一样，它的四肢进化为短而高效的鳍肢，前鳍比后鳍大。已知最大的种，Mosasaurus hoffmannii，长度可达17–18米（56英尺），略长于近亲如Tylosaurus和Hainosaurus。它也是最粗壮的莫拉鳄兽之一，估计一些个体的体重在25到30吨之间。它的身体修长、厚实、桶状，头骨巨大，颚部强大、咬合紧密。眼睛相对较大，但很可能提供的立体视野有限，嗅球发育不良，使专家们认为Mosasaurus主要生活在水面附近。
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Beautiful Mosasaur jaw from Morocco, featuring teeth with roots and part of the mandibular bone. The bone has been partially restored, but the natural porosity of the fossil is still clearly visible. It was discovered in the phosphate deposits of Khouribga. This Cretaceous marine reptile was one of the largest ocean predators of its time.
Mosasaurus was among the last mosasaurs and also one of the largest. Like most mosasaurs, its limbs had evolved into short but efficient flippers, with the front flippers larger than the rear ones. The largest known species, Mosasaurus hoffmannii, could reach lengths of 17–18 meters (56 feet), slightly longer than close relatives such as Tylosaurus and Hainosaurus. It was also one of the most robust mosasaurs, with some of the largest individuals estimated to weigh between 25 and 30 tons. Its body was long, thick, and barrel-shaped, with a massive skull and a powerful, tightly connected jaw. The eyes were relatively large but likely provided limited binocular vision, and the olfactory bulbs were not well developed, leading experts to believe that Mosasaurus lived primarily near the water’s surface.

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滄龍 - 牙齒化石 - Mosasaur jaw from Morocco

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