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Re: eggshell request



The Best one to ask about Tuatara Eggs would be Lindsey Hazely at the
Invercargill Musiem.  He is the Tuatara curator as they have live tuatara
kept there


----- Original Message ----- 
From: "david peters" <davidrpeters@earthlink.net>
To: <dinosaur@usc.edu>
Sent: Friday, June 24, 2005 11:30 PM
Subject: re: eggshell request


>
> Earlier I wrote:
>
> >>Also, found a good paper on tuatara eggshell structure.
> Seems it retains calcite crystals.
>
> David Marjanovic wrote:
>
> >>Why "retains"?
>
> >>>>>
>
> Turtles retain them, Archosaurs retain them, both split off from
Lepidosaurs prior to tuatara.
>
> Thus calcite crystal eggshell was lost somewhere between tuatara and
iguana (perhaps, hence the earlier request for data) and geckos.
>
> David Peters
> St. Louis