I will leave it on my web page for about a week for anyone that wants to
take a look. The first one is Xiphosura polyphemus, the Jurassic form is X.
walchi and the Permian is Palaeolimulus.
http://www.isource.net/~grmorton/crab.gif
glenn
Foundation, Fall and Flood
http://www.isource.net/~grmorton/dmd.htm