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first fossil turtle with eggs preserved within the body cavity,



First Fossil Gravid Turtle Provides Insight Into The Evolution Of
Reproductive Traits In Turtles
Medical News Today Thu, 28 Aug 2008 5:13 AM PDT
This study reports on the first fossil turtle with eggs preserved within the
body cavity, as well as on one of the few known North American fossil turtle
nests. These fossils belong to an extinct turtle called Adocus, and were
found in 75 million year old rocks in Alberta, Canada. 

http://www.medicalnewstoday.com/articles/119243.php

First Fossil Gravid Turtle Provides Insight Into The Evolution Of
Reproductive Traits In Turtles
Veterinary News Useful Links 

First Fossil Gravid Turtle Provides Insight Into The Evolution Of
Reproductive Traits In Turtles
Main Category: Veterinary
Also Included In: Biology / Biochemistry
Article Date: 28 Aug 2008 - 2:00 PDT

This study reports on the first fossil turtle with eggs preserved within the
body cavity, as well as on one of the few known North American fossil turtle
nests. These fossils belong to an extinct turtle called Adocus, and were
found in 75 million year old rocks in Alberta, Canada. The specimens reveal
that Adocus built its nests near rivers and laid large clutches of
thick-shelled, hard, spherical eggs. Some of these features are also found
among living turtles, and the fossils helped determine that the ancestor of
most living turtles laid large clutches of hard-shelled eggs. 

Royal Society journal Biology Letters






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