Acrocanthosaurus is a genus of carcharodontosaurid dinosaur that existed in what is now North America during the Aptian and early Albian stages of the Early Cretaceous, from 113 to 110 million years ago. Like most dinosaur genera, Acrocanthosaurus contains only a single species, A. atokensis. Its fossil remains are … See more Acrocanthosaurus is named after its tall neural spines, from the Greek ɑκρɑ/akra ('high'), ɑκɑνθɑ/akantha ('thorn' or 'spine') and σɑʊρος/sauros ('lizard'). There is one named species (A. atokensis), after Atoka County See more Acrocanthosaurus is classified in the superfamily Allosauroidea within the infraorder Tetanurae. This superfamily is characterized by paired ridges on the nasal and lacrimal … See more Definite Acrocanthosaurus fossils have been found in the Twin Mountains Formation of northern Texas, the Antlers Formation of southern Oklahoma, and the Cloverly Formation of … See more Acrocanthosaurus was among the largest theropods known to exist, with an estimated skull length of 1.23–1.29 m (4.0–4.2 ft) and body length of 11–11.5 m (36–38 ft) based on the largest known specimen (NCSM 14345). Researchers have yielded body … See more Growth and longevity From the bone features of the holotype OMNH 10146 and NCSM 14345, it is estimated that Acrocanthosaurus required at least 12 years to fully grow. This number may have been much higher because in the … See more WebJun 21, 2014 · Bailey’s argument also does not agree with extant sailbacked (or tailed) lizards. Bailey (1997) ... Whether the spines on these high-spined—but not necessarily sailed—dinosaurs were for increased axial …
Spiny lizard - Wikipedia
WebThis “high-spined lizard” is the most complete Acrocanthosaurus skeleton ever found. Terror of the South 3rd Floor, Nature Exploration Center Bridge Across Time Travel through 542 million years of Earth's history while on this bridge, which connects the Nature Exploration Center to the Nature Research Center. WebOct 13, 2024 · High-spined Lizard: Dinosaur type: Theropod: On the menu: Carnivorous: Length: 12 meters: Height: 5 meters: Weight: 2.5 tons: Life expectancy: 70-80 years: Legs … data tracking system fws
Prehistoric Kingdom / Characters - TV Tropes
Weba-, an-: Pronunciation: /ə/, /a/, /ən/, /an/.Origin: Ancient Greek: ἀ-, ἀν-(a, an-). Meaning: a prefix used to make words with a sense opposite to that of the root word; in this case, meaning "without" or "-less".This is usually used to describe organisms without a certain characteristic, as well as organisms in which that characteristic may not be immediately … WebFeb 1, 2024 · They are white, gray, or brown with pink/purple undertones. They have dark mottling and bumps on their skin, and their belly is translucent. They are highly recognized … WebOct 31, 2000 · 0:41 TULSA - Acrocanthosaurus atokensis - translated: a huge "high-spined lizard" that roamed the seashores around what is now Atoka County about 100 million years ago, give or take a few million years. Seashore? That's right. Back then, what is known today as the Gulf of Mexico extended to the southern borders of Oklahoma. bitters texas