Re: [dinosaur] Cassowary syrinx, hyoid and larynx + jawed vertebrate timetree + Late Triassic Bristol fissure + dino crabs

Gesendet:=C2=A0Freitag, 27=2E Dezember 2019 um 20:32 Uhr
Von:=C2=A0"Ben Creisler" <bcreisler@gmail=2Ecom>

> Phoebe L=2E McInerney, Michael S=2E Y=2E Lee, Alice M=2E Clement & Trevo=
r H=2E Worthy (2019)
> The phylogenetic significance of the morphology of the syrinx, hyoid and=
 larynx, of the southern cassowary, Casuarius casuarius (Aves, Palaeognatha=
e)=2E
> [=2E=2E=2E]
>
> Palaeognathae is a basal clade within Aves

<wince>

> the hyoid is relatively short with longer ceratobranchials compared to e=
pibranchials;

Hypobranchials compared to ceratobranchials, that is=2E *Acanthostega* has=
 epibranchials, a=C3=AFstopods and anthracosaurs also seem to, but epibranc=
hials have not been found in any crown-group tetrapods or even temnospondyl=
s=2E Reports from salamanders or amniotes are simply an outdated misinterpr=
etation dating from a time when the hyobranchial apparatus of *Acanthostega=
* was not yet understood (i=2Ee=2E 1980s or earlier)=2E
=C2=A0
> David Marjanovic (2019)
> Recalibrating the transcriptomic timetree of jawed vertebrates=2E
> bioRxiv 2019=2E12=2E19=2E882829 (preprint)

My name contains a "nonstandard character" because the standard that bioR=
=CF=87iv [sic] is on is still ASCII!

I have a more substantial comment in moderation=2E