[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: Removing segnosaurs from Theropoda

At 9:11 PM 9/1/95, Dinogeorge@aol.com wrote:
>In a message dated 95-09-01 20:01:03 EDT, jshields@iol.ie (James Shields)
>>Well, if you want to be a STRICT cladist, the term "Non Avian Dinosaur" is
>>paraphyletic. Therefore it is impossible for [strict] cladists to talk about
>>dinosaurs without also talking about birds.
>>Am I missing something?
>As you have shown, while monophyletic taxa are desirable, paraphyletic taxa
>are often more useful. It's a point I've been harping on for weeks now.

        As long as you can define them in terms of a real, natural group- a
point I'VE been harping about for weeks.


Jason J. Head
Dept. of Geological Sciences
Southern Methodist University
Dallas, Tx. 75275