File:PortJacksonShark'sEgg20050417c.JPG

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Description

Egg case of Port Jackson shark. Egg case found on Vincentia beach, Jervis Bay Territory, Australia.

Egg cases when found washed up on the beach are sometimes known as a Mermaid's purse.

The screw-like helical flanges help the mother shark to secure the egg within rock crevices.
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Author User Golden Wattle on en.wikipedia
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Public domain This work has been released into the public domain by its author, AYArktos. This applies worldwide.

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AYArktos grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Originally from en.wikipedia; description page is (was) here

* 09:54, 24 April 2005 [[:en:User:Golden Wattle|Golden Wattle]] 2048×1536 (642,523 bytes) <span class="comment">(Shark's egg - Port Jackson Shark. Egg case found on Vincentia beach, [[:en:Jervis Bay Territory]] {{PD-user|AYArktos}})</span>

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current14:17, 10 September 2006Thumbnail for version as of 14:17, 10 September 20062,048 × 1,536 (627 KB)Liftarn{{Information| |Description=Egg case of Port Jackson shark. Egg case found on Vincentia beach, Jervis Bay Territory, Australia. Egg cases when found washed up on the beach are sometimes known as a Mermaid's purse. The screw-like helical flanges help t
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