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Reptile egg fossil
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<p>Reptile egg fossils are the <a href="/facts/Fossilized/by7NzIA1">fossilized</a> remains of <a href="/facts/Egg/KyMSx9v4">eggs</a> laid by reptiles. The fossil record of reptile eggs goes back at least as far as the <a href="/facts/Early_Permian/DvIWAITS">Early Permian</a>. However, since the earliest reptile eggs probably had soft shells with little <a href="/facts/Preservation_potential/x4zxN2Hm">preservation potential</a>, reptilian eggs may go back significantly farther than their fossil record. Many ancient reptile groups are known from egg fossils including <a href="/facts/Crocodilia/G4LbxJs6">crocodilians</a>, <a href="/facts/Dinosaur/JRdMqBnq">dinosaurs</a>, and turtles. Some ancient reptiles are known to have given live birth and are therefore not anticipated to have left behind egg fossils. </p>