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Re: All those apsids



>(snip)In my historical calss we learned 
>about he diffrent types of holes in reptile skulls.  Anapsid have no hole.
>They are the turtles.  Synapsids have one and are the mammal like reptiles.
>Diapsids have two they are the dino.  But then my professor mentioned 
>threapsids and said they were the mammal like reptiles.  I don't know 
>what's right.  HELP!!!  I'm confused.  Who's who and how many holes do 
>they have?  Thanks. 

Both are right.  Therapsid (note spelling) is the official taxonomic term for 
mammal-like reptiles.

Rob

***
Q.  What gastropod is a constant skeptic?

A.  Abalone.