Re: Retroposon evidence for an explosive radiation of Neoaves

[Robert Schenck <schenck.rob@gmail.com>]

Hmmm, so Ophistocomus might still be an enantiornithine
survivor/relic...... (just kidding of course)

On Tue, Jan 3, 2012 at 9:19 PM, evelyn sobielski <koreke77@yahoo.de> wrote:
>
>> I'd appreciate the paper as well.
>
> Me too.
>
> Thanks in advance,
>
> Eike
>
> PS:
>
> Core "higher land birds", my present best guess:
> Passeriformes, Falconidae, Accipitridae, Psittaciformes, Strigiformes, 
> Bucerotiformes/Upupiformes, Coliiformes, Piciformes (+ "Galbuliformes"), 
> Trogoniformes
> Probably Leptosomatidae
> Possibly Cathartidae, Cariamidae, Mesitornithidae, Eurypygidae, 
> Rhynochetidae, Otidiformes
>
> Not included: Strisores, cuculid nexus (+ Opisthocomus), Columbiformes. (and 
> Aequornithes, Galloanseres etc).
>
> LBA is huge problem with _Leptosomus_. Rogue taxa vary, but are "the usual 
> suspects" typically. Psittaciformes may have skewed CG ratio (AT enriched), 
> Upupidae (sl, incl woodhoopoes) often do (CG enriched) and are prone to LBA.
>
> Need to check how close charadriids are to the former.
>
> Aldolase b has apparently no of very few "higher landbird s.l." taxa. It 
> favors an "eufalconimorphoid" clade, but it is flimsy and embedded into a 
> basal almost-polytomy and may be LBA'd by sunbittern/kagu/mesite. Other parts 
> of the aldolase b tree tend not to look particularly "good" (the 
> coraciiform/piciorm/hoopo/hornbill group tends to resolve better than the 
> rest; not in that locus).



-- 
Robert J. Schenck
Kingsborough Community College
Physical Sciences Department
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