Re: AW: Heterodontosaurid with protofeathers

["Dora Smith" <villandra@austin.rr.com>]

So, you mean, all reptiles once had fur?

Yours,
Dora Smith
Austin, TX
tiggernut24@yahoo.com
----- Original Message ----- 
From: "T. Michael Keesey" <keesey@gmail.com>
To: <dinosaur@usc.edu>
Sent: Tuesday, March 31, 2009 7:10 PM
Subject: Re: AW: Heterodontosaurid with protofeathers


> On Tue, Mar 31, 2009 at 4:01 PM, Dann Pigdon <dannj@alphalink.com.au> 
> wrote:
> > There's no reason to assume that fur evolved just once amongst
> > mammals
>
> Given that we have direct evidence of fur in a stem-mammal (the
> _Castorocauda_ holotype, a docodont mammaliaform), there's a pretty
> good reason to assume that. (The picture *could* be more complex, but
> at this point there's no reason to *assume* so.)
>
> --
> T. Michael Keesey
> Technical Consultant and Developer, Internet Technologies
> Glendale, California