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Re: [dinosaur] Early dinosaurs had high variation in postnatal development, lost in derived theropods and birds

To: dinosaur-l@cal-mailinglists.usc.edu
Subject: Re: [dinosaur] Early dinosaurs had high variation in postnatal development, lost in derived theropods and birds
From: Ruben Safir <ruben@mrbrklyn.com>
Date: Tue, 6 Dec 2016 02:27:45 -0500
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On Mon, Dec 05, 2016 at 05:16:12PM -0500, Thomas Richard Holtz wrote:
> Ruben Safir wrote:
> On 12/05/2016 04:05 PM, Ben Creisler wrote:
> > intraspecific variation
> 
> 
> what does that mean?
> 
> ------
> 
> It means that within a species (intraspecific), there can be multiple
> different patterns of ontogenetic development. (Crest A forming before
> Crest B in some members, but B before A in others, for instance.)  Griffin
> found this high degree of within-species variation of development in early
> dinosauromorphs (including early dinosaurs), but is lost to a stereotyped
> pattern in more derived members (Crest A always forming before B, etc.)
> 


How can we know that?  Have we found that many eggs?
or juvienals

> On Mon, Dec 5, 2016 at 4:56 PM, Ruben Safir <ruben@mrbrklyn.com> wrote:
> 
> > On 12/05/2016 04:05 PM, Ben Creisler wrote:
> > > intraspecific variation
> >
> >
> > what does that mean?
> >
> > --
> > So many immigrant groups have swept through our town
> > that Brooklyn, like Atlantis, reaches mythological
> > proportions in the mind of the world - RI Safir 1998
> > https://urldefense.proofpoint.com/v2/url?u=http-3A__www.
> > mrbrklyn.com&d=DgICaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=
> > JMxjjbIZXCWilersPs1bzRx-3mUwTiQUzlyzWk7v7k4&m=
> > wpiT5CxPHV7DM8xfjtsvzyPg1PjGu25SgtWs5-63JLE&s=
> > k4HxDKS1yklMMuFu4xo6Ch0fckK7WKS_Mj4c0nG3Zjc&e=
> >
> > DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002
> > https://urldefense.proofpoint.com/v2/url?u=http-3A__www.
> > nylxs.com&d=DgICaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=
> > JMxjjbIZXCWilersPs1bzRx-3mUwTiQUzlyzWk7v7k4&m=
> > wpiT5CxPHV7DM8xfjtsvzyPg1PjGu25SgtWs5-63JLE&s=0xcKBqmlHOoK_s50dd_
> > Zaq0sevDHFxZHbqJSEck04lM&e=  - Leadership Development in Free Software
> > https://urldefense.proofpoint.com/v2/url?u=http-3A__www2.
> > mrbrklyn.com_resources&d=DgICaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN
> > 0H8p7CSfnc_gI&r=JMxjjbIZXCWilersPs1bzRx-3mUwTiQUzlyzWk7v7k4&m=
> > wpiT5CxPHV7DM8xfjtsvzyPg1PjGu25SgtWs5-63JLE&s=OVbdrF5dKxem7SwubF9-xssv_1_
> > WkpdNGt6QRJ92PFU&e=  - Unpublished Archive
> > https://urldefense.proofpoint.com/v2/url?u=http-3A__www.
> > coinhangout.com&d=DgICaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=
> > JMxjjbIZXCWilersPs1bzRx-3mUwTiQUzlyzWk7v7k4&m=
> > wpiT5CxPHV7DM8xfjtsvzyPg1PjGu25SgtWs5-63JLE&s=
> > G0gtqjPNKImZB4A2VdHrQLV93C77Q0XczDrUaPNNefA&e=  - coins!
> > https://urldefense.proofpoint.com/v2/url?u=http-3A__www.
> > brooklyn-2Dliving.com&d=DgICaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN
> > 0H8p7CSfnc_gI&r=JMxjjbIZXCWilersPs1bzRx-3mUwTiQUzlyzWk7v7k4&m=
> > wpiT5CxPHV7DM8xfjtsvzyPg1PjGu25SgtWs5-63JLE&s=
> > K6LlN420sEFQz4IUZajKGRZbEqTCYb4wzip_eKQWJB4&e=
> >
> > Being so tracked is for FARM ANIMALS and and extermination camps,
> > but incompatible with living as a free human being. -RI Safir 2013
> >
> 
> 
> 
> -- 
> 
> Thomas R. Holtz, Jr.
> Email: tholtz@umd.edu         Phone: 301-405-4084
> Principal Lecturer, Vertebrate Paleontology
> 
> Office: Geology 4106, 8000 Regents Dr., College Park MD 20742
> 
> Dept. of Geology, University of Maryland
> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.geol.umd.edu_-7Etholtz_&d=DgIBAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=VePu6Bs6BiOQTUUQBnN52EEQ-m0ihUIn4TH9H-eC1VA8i3zBuW9XPlJcNVHO1DTa&m=Y6BGx135eBjo3NXxHVd2pKPca9QtCjViuFuaZ2QwA9A&s=TVmCw5kBGV9uUtFMBWDdGrSbAVEKDTrJc8ho5rgBomw&e=
>  
> 
> Phone: 301-405-6965
> Fax: 301-314-9661
> 
> Faculty Director, Science & Global Change Program, College Park Scholars
> 
> Office: Centreville 1216, 4243 Valley Dr., College Park MD 20742
> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.geol.umd.edu_sgc&d=DgIBAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=VePu6Bs6BiOQTUUQBnN52EEQ-m0ihUIn4TH9H-eC1VA8i3zBuW9XPlJcNVHO1DTa&m=Y6BGx135eBjo3NXxHVd2pKPca9QtCjViuFuaZ2QwA9A&s=nhg3NzvDkOlPrZX9PKx7I_zWKJwuuQ110Pm82KiPScQ&e=
>  
> Fax: 301-314-9843
> 
> Mailing Address:        Thomas R. Holtz, Jr.
>                         Department of Geology
>                         Building 237, Room 1117
> 
>                         8000 Regents Drive
>                         University of Maryland
>                         College Park, MD 20742-4211 USA

-- 
So many immigrant groups have swept through our town
that Brooklyn, like Atlantis, reaches mythological
proportions in the mind of the world - RI Safir 1998
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.mrbrklyn.com&d=DgIBAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=VePu6Bs6BiOQTUUQBnN52EEQ-m0ihUIn4TH9H-eC1VA8i3zBuW9XPlJcNVHO1DTa&m=Y6BGx135eBjo3NXxHVd2pKPca9QtCjViuFuaZ2QwA9A&s=8TWqGPanM9M1_OUCKr3y_Bb3AKlZYLxZWgWzevdLN4w&e=
  

DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.nylxs.com&d=DgIBAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=VePu6Bs6BiOQTUUQBnN52EEQ-m0ihUIn4TH9H-eC1VA8i3zBuW9XPlJcNVHO1DTa&m=Y6BGx135eBjo3NXxHVd2pKPca9QtCjViuFuaZ2QwA9A&s=oAbHlXlTjaUEaeZUcOaUlX5MpHuxINYrfzKDhv1tzrM&e=
  - Leadership Development in Free Software
https://urldefense.proofpoint.com/v2/url?u=http-3A__www2.mrbrklyn.com_resources&d=DgIBAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=VePu6Bs6BiOQTUUQBnN52EEQ-m0ihUIn4TH9H-eC1VA8i3zBuW9XPlJcNVHO1DTa&m=Y6BGx135eBjo3NXxHVd2pKPca9QtCjViuFuaZ2QwA9A&s=5zSR2-pNKpN8DzdwP7lOgcjXmcu4CImS--wX9Ku6uhE&e=
  - Unpublished Archive 
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.coinhangout.com&d=DgIBAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=VePu6Bs6BiOQTUUQBnN52EEQ-m0ihUIn4TH9H-eC1VA8i3zBuW9XPlJcNVHO1DTa&m=Y6BGx135eBjo3NXxHVd2pKPca9QtCjViuFuaZ2QwA9A&s=FKmynNF0IcLRSi_oWdE7Lli0UpUhWY0OofcxncVeA8A&e=
  - coins!
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.brooklyn-2Dliving.com&d=DgIBAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=VePu6Bs6BiOQTUUQBnN52EEQ-m0ihUIn4TH9H-eC1VA8i3zBuW9XPlJcNVHO1DTa&m=Y6BGx135eBjo3NXxHVd2pKPca9QtCjViuFuaZ2QwA9A&s=demx1waw0yKN4q4lsQW98lmGPWcLn_w_wpCr5SaEUjI&e=
  

Being so tracked is for FARM ANIMALS and and extermination camps, 
but incompatible with living as a free human being. -RI Safir 2013

Follow-Ups:
- Re: [dinosaur] Early dinosaurs had high variation in postnatal development, lost in derived theropods and birds
  - From: Thomas Richard Holtz <tholtz@umd.edu>

References:
- [dinosaur] Early dinosaurs had high variation in postnatal development, lost in derived theropods and birds
  - From: Ben Creisler <bcreisler@gmail.com>
- Re: [dinosaur] Early dinosaurs had high variation in postnatal development, lost in derived theropods and birds
  - From: Ruben Safir <ruben@mrbrklyn.com>
- Re: [dinosaur] Early dinosaurs had high variation in postnatal development, lost in derived theropods and birds
  - From: Thomas Richard Holtz <tholtz@umd.edu>

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