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Latest Tenontosaurus Stories

2008-01-15 14:30:20

Medullary tissue lines the bones of modern birds for only a few weeks when they are producing eggs. That same tissue has recently been found in three dinosaur fossils. These dinosaurs, an Allosaurus, Tenontosaurus and Tyrannosaurus, were aged 8, 10, and 18. This revelation shines some light on the sexuality of dinosaurs, with reproductive maturity being earlier than researchers previously believed.

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2008-01-14 06:25:00

Dinosaurs had pregnancies as early as age 8, far before they reached their maximum adult size, a new study finds. This new study suggests dinosaurs grew fast but only lived three to four years in adulthood. Offspring were probably precocious, like calves or foals, Lee said.


Latest Tenontosaurus Reference Libraries

Deinonychus
2013-02-12 13:34:53

Deinonychus is a genus of carnivorous dromaeosaurid dinosaurs. There’s one described species, Deinonychus antirrhopus. These dinosaurs, which were capable of growing to be 11 ft long, lived during the early Cretaceous Period, around 115 to 108 million years ago. Fossils have been uncovered from the U.S states of Wyoming, Montana, and Oklahoma, in rocks of the Cloverly Formation and Antlers Formation, though teeth that might belong to Deinonychus have been found much farther east in...

Tenontosaurus
2013-01-29 09:53:30

Image Caption: Head of Tenontosaurus, Institut de paléontologie humaine, Paris, France. Credit: Rémih/Wikipedia (CC BY-SA 3.0) Tenontosaurus, meaning “sinew lizard”, is a genus of medium to large sized ornithopod dinosaur. The genus is known from the late Aptian to Albian ages of the middle Cretaceious period sediments of western North America, dating roughly between 115 to 108 million years ago. It was formerly thought to be a ‘hypsilophodont’, but since Hypsilophodontia is no...

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Word of the Day
obdormition
  • Sleep; the state or condition of being asleep.
  • The state or condition of numbness of a part due to pressure on a nerve: as, the obdormition of a limb.
The word 'obdormition' comes from a Latin word meaning "to fall asleep".
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