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Re: Sea Turtles / COrrection / Plesiosaurs / Darren

To: dinosaur@usc.edu
Subject: Re: Sea Turtles / COrrection / Plesiosaurs / Darren
From: NJPharris@aol.com
Date: Sun, 17 Aug 1997 22:44:08 -0400 (EDT)
Reply-to: NJPharris@aol.com
Sender: owner-dinosaur@usc.edu

In a message dated 97-08-15 07:08:46 EDT, bz050@freenet.carleton.ca (Ben S.
Roesch) writes:

[in response to point about plesiosaurs being meat-eaters]

> Actually, why couldn't [stomach stones] have been used to help digest? Did
plesiosaurs feed
>  on shelled creatures like molluscs (or even custaceans), whose digestion
>  could have been aided by stones acting as grinders?

There are no vegetarian crocodilians living today, yet don't they all have
gizzard stones?  I should think stones (like teeth) would be useful for
mashing up any kind of food.

NP

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