Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!utgpu!water!watnot!watmath!clyde!cbatt!ucbvax!jade!ruby.berkeley.edu!jelkind From: jelkind@ruby.berkeley.edu.UUCP Newsgroups: talk.origins,sci.bio Subject: Re: mass extinctions Message-ID: <3003@jade.BERKELEY.EDU> Date: Wed, 1-Apr-87 21:57:22 EST Article-I.D.: jade.3003 Posted: Wed Apr 1 21:57:22 1987 Date-Received: Sat, 4-Apr-87 12:33:40 EST References: <785@scicom.AlphaCDC.COM> <1521@husc6.UUCP> <1453@cadovax.UUCP> Sender: usenet@jade.BERKELEY.EDU Reply-To: jelkind@ruby.berkeley.edu (The Unexpected Tiger) Organization: University of California, Berkeley Lines: 16 Xref: utgpu talk.origins:493 sci.bio:211 All of this discussion on mass extinctions has raised a question in my mind, which I haven't seen discussed much. Do any of the catastrophist models of mass extinction explain why the ichthyosaurs became extinct but the sharks didn't? Richard Schultz -------------------------------------------------------------- | To sit in solemn silence in a dull, dark, dock, | | In a pestilential prison, with a life-long lock, | | Awaiting the sensation of a short, sharp, shock, | | From a cheap and chippy chopper on a big black block! | | -- W. S. Gilbert | --------------------------------------------------------------