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

Re: giant birds

To: sarima@ix.netcom.com, dinosaur@usc.edu
Subject: Re: giant birds
From: Dinogeorge@aol.com
Date: Mon, 15 Nov 1999 19:52:53 EST
Reply-to: Dinogeorge@aol.com
Sender: owner-dinosaur@usc.edu

In a message dated 11/15/99 7:36:54 PM EST, sarima@ix.netcom.com writes:

<< In other words, all he is doing is moving the position of the feature
 "powered flight" on the traditional tree from a point slightly basal to
 _Archaeopteryx_ to a point deep inside the dinosaur clade. >>

I'm also spreading the "point" of powered flight into a continuum of flight 
modes. I think it might be very difficult to pin down the moment when 
"powered flight" arises in a near-avian lineage.

Follow-Ups:
- Re: giant birds
  - From: "James R. Cunningham" <jrccea@bellsouth.net>

Prev by Date: Re: The validity of cladograms (was Re: giant birds)
Next by Date: Re: Theories on the extinction of dinosaurs
Previous by thread: Re: giant birds
Next by thread: Re: giant birds
Indexes: