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Dinosaurs and prehistoric life


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caltrek

caltrek

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World's Smallest Dinosaur Egg Fossil Discovered in Japan

 

https://www.japantim...saur-egg-japan/

 

Introduction:

(Japan Times) A team of researchers said Tuesday it has discovered the world’s smallest dinosaur egg fossil, measuring about 4.5 cm by 2 cm, in western Japan.

 

The fossil of the egg, estimated to have weighed only about 10 grams more than 100 million years ago, was found in a stratum dating back to the early Cretaceous Period in Tamba, Hyogo Prefecture, according to the team.

 

The researchers at the University of Tsukuba and the Museum of Nature and Human Activities, Hyogo, among others, who have analyzed the fossil, said it likely belonged to a nonavian small theropod.

 

Skeletal remains of small dinosaurs are far less common than those of large dinosaurs, such as the Tyrannosaurus, which was also a theropod, and Kohei Tanaka of the University of Tsukuba, a member of the team, said he hopes the discovery will “help shed light on how small dinosaurs reproduced and nested.”

 

The team surveyed the stratum, which dates back 110 million years, between 2015 and 2019 and found four fossil eggs and over 1,300 scattered eggshell fragments.


The principles of justice define an appropriate path between dogmatism and intolerance on the one side, and a reductionism which regards religion and morality as mere preferences on the other.   - John Rawls





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