Posts tagged ‘gender differences’

06/06/2014

Stunning fossil eggs provide insight on ancient flying reptiles | Reuters

A spectacular fossil find in China – a prehistoric egg extravaganza from 120 million years ago – is providing unique insight into the lifestyle and gender differences of pterosaurs, the flying reptiles that lived alongside the dinosaurs.

An artist rendition depicts ecological reconstructions of Hamipterus, the flying reptiles that lived alongside the dinosaurs. REUTERS/Chuang Zhao/Handout via Reuters

Until now, only four pterosaur eggs had ever been found, and all were flattened during the process of fossilization.

But Chinese scientists said on Thursday they had unearthed five pterosaur eggs preserved beautifully in three dimensions at a site in northwestern China that also includes no fewer than 40 adult individuals of a newly identified species that lived in a bustling colony near a large freshwater lake.

“This is definitely the most important pterosaur site ever found,” said paleontologist Zhonghe Zhou, director of the Chinese Academy of SciencesInstitute of Vertebrate Paleontology and Paleoanthropology.

The creature, Hamipterus tianshanensis, had a crest atop its elongated skull, pointy teeth for catching fish and a wingspan of more than 11 feet (3.5 meters).

via Stunning fossil eggs provide insight on ancient flying reptiles | Reuters.

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