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Maiasaura is a characteristic fossil of the middle portion (lithofacies 4) of the Two Medicine Formation, dated from about 86.3 to 70.6 million years ago. [2] Maiasaura lived alongside the troodontids Stenonychosaurus and Troodon and the basal ornithopod Orodromeus, as well as the dromaeosaurid Bambiraptor and the tyrannosaur Daspletosaurus. [2]
When the eggs hatch, one is a male Maiasaura, whom the mother names Light, and the other is a Tyrannosaurus, named Heart. The herd leader plans to kill Heart in order to prevent him from eating anyone when he gets older, but the mother Maiasaura stops him, arguing that he is a newborn and harmless. The leader gives her the chance to leave him ...
Juvenile specimen of the genus Maiasaura. The limbs of the juvenile hadrosaurs are anatomically and proportionally similar to those of adult animals. [41] However, the joints often show "predepositional erosion or concave articular surfaces", [41] which was probably due to the cartilaginous cap covering the ends of the bones. [41]
Horner and others studied the histology of Maiasaura peeblesorum bones. They found that Maiasaura only took 8–10 years to reach adult body size. A 7 metres (23 ft) adult Maiasaura could have an adult body mass of over 2,000 kilograms (4,400 lb) despite hatching at a length of about half a meter and with a body mass of less than a kilogram ...
Ouranosaurus is a genus of herbivorous basal hadrosauriform dinosaur that lived during the Aptian stage of the Early Cretaceous of modern-day Niger and Cameroon. Ouranosaurus measured about 7–8.3 metres (23–27 ft) long and weighed 2.2 metric tons (2.4 short tons).
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 January 2025. Not to be confused with Planet Dinosaur. 2003 American TV series or program Dinosaur Planet Starring Scott D. Sampson Narrated by Christian Slater Composer Dean Grinsfelder Country of origin United States No. of seasons 1 No. of episodes 4 Production Executive producers Jean Raymond ...
Image credits: agizzy23 #2. That my parents would feed me peanuts to get out of parties. I have a nut allergy. I didn’t know it was messed up until I told a therapist and the look on her face I ...
However, it was previously argued that they were hindlimb dominant like other sauropods, and thus had the ability to rear up on their hindlimbs. [1] Based on the structure of their legs, making it impossible for them to run, it is likely that they moved about in a low walking speed (20–40 km/day), but were capable of moving faster when ...