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Egg tooth

juvenile tuatara have a horny egg tooth on it's jaw break shell

A juvenile tuatara has a horny (not calcified) egg tooth on its jaw to help it break out of its shell. This falls off shortly after it hatches.

Acknowledgement: Associate Professor Alison Cree

Glossary

Rights: Alison Cree
Published: 31 January 2018Size: 227.51 KB
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