Aucasaurus is pretty plain by abelisaur standards. It's head isn't quite as derived as Carnotaurus. It's body isn't as strangely proportioned as Majungasaurus. It's so "stock" that in his last book Greg Paul suggested it may be synonymous with Abelisaurus itself.
Yet even a plain-jane abelisaur is plenty weird. It has a hypertrophied cnemial crest, giving it ginormous calve musles. The transverse processes on the tail are swept up and over the neural spines, giving it a "flat-topped" tail that had a lot of junk in its trunk in terms of leg-retracting muscles. And of course it still has those ludicrously small arms, that almost make T. rex arms seem normal in comparison. Yet all of those features are "normal" for abelisaurs.
So I guess Aucasaurus is weird in a very average way.
Edit: Reposed, with minor revisions to the soft tissue anatomy to bring it up to date.
Where do you find skull neck and torso data for the animal? Ive seen photos of mounts but from odd angles. any more recent publication than the jvp one?
Realmente respeto mucho su trabajo, me base en el para hacer algunos de mis dibujos, pero creo que el cráneo de este dinosaurio es mas corto, tuve la suerte y la oportunidad de ver el fósil, y junto con un paleontólogo amigo nos dimos cuenta de que el cráneo era bastante corto... Espero que esta crítica no sea de ninguna forma ofensiva.
Sin ánimo de ofender tomado - que no es imposible que la cabeza es más corto, ¿por casualidad tiene fotografías que muestran que están mejor que en la descripción original?
Drawing up an abelisaurid, I settled on Aucasaurus. I imagined a lifestyle specialized to snapping up sauropod babies. Sauropods were abundant in South America, and abelisaurs have these long strong necks, long strong run-happy legs. I imagined a lifestyle of sprinting into sauropod flocks, picking up sauropod babies by their necks, and then running off with them. Which became the motif for my image.
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