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Herrerasaurus by PaleoAeolos Herrerasaurus by PaleoAeolos
Herrerasaurus was one of the earliest carnivorous dinosaurs. It lived in what is now Argentina, during the Late Triassic period (Carnian stage).

Herrerasaurus is named by Reig in 1963 after Victorino Herrera, the Andean farmer who first stumbled on its skeleton. It is one of the earliest known dinosaurs. a medium-sized, bipedal carnivore, it had sharp teeth, short arms, and three-fingered hands with curved claws.

Seemingly "old- fashioned" features of the leg and foot bones made scientist think Herrerasaurus more primitive than any in the two main groups, the Saurischia and the Ornithischia but in 1992 Paul Sereno and Fernando Novas proved Herrerasaurus was an early theropod, not a pre-saurichian, pre- ornithischian dinosaur.

The discovery of a complete skull revealed that it had a sliding lower jaw joint in common with some other theropods. Like most theropods Herrerasaurus had a small first toe that faced backwards instead of pointing forwards. Several skeletons, one complete skull, have give scientist a full picture of this creature. The skull of Herrerasaurus was long and narrow, with small nostril holes.
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:iconacpre:
ACPre Featured By Owner Jun 8, 2015  Hobbyist Traditional Artist
My Most Fav Triassic Creature x3
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:iconchaos-draco:
Chaos-Draco Featured By Owner Mar 6, 2007  Professional General Artist
ohhhhhh me siento identificado...
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:iconpaleoaeolos:
PaleoAeolos Featured By Owner Mar 7, 2007   Traditional Artist
Jajajaja.... bueno, alcanse de nombres....parese ser comun....al menos en Mitos tambien tienes tocayo
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:iconchaos-draco:
Chaos-Draco Featured By Owner Mar 7, 2007  Professional General Artist
JA!!! el detalle es ke el otro herrera es hermano de mi papa, osea es mi tio...dato freak
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:iconbrad-ysaurus:
Brad-ysaurus Featured By Owner Aug 25, 2006
The Spalding book is wrong. Herrerasaurus was officially published by Reig in 1963, in the journal Ameghiniana. Sereno was about 5 or 6 years old and not yet naming dinosaurs.

As for the drawing, it looks pretty good, but I think the feet are too theropod-like. Shouldn't the first digit be less reduced?
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:iconpaleoaeolos:
PaleoAeolos Featured By Owner Aug 28, 2006   Traditional Artist
You rigth...Herrerasaurus was described in 1963, Sereno only found more complete specimens (I thake the text from the Wikipedia and dont readed complete...).

I based the draws in the skeletal reconstruction of Gregory Paul 1985 and 2001., with caution on the proportions, and thing that the feets and hands are corectly (mai be the orientation of heands are a thiny more advanced that in the real).
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:iconjpcespedes:
JPCespedes Featured By Owner Aug 25, 2006
Muy bueno, me agrada bastante, en especial por carecer de plumas.
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:iconpaleoaeolos:
PaleoAeolos Featured By Owner Aug 28, 2006   Traditional Artist
Bueno, solo omiti las plumas por que se trata de un teropodo grande, provablemente no requiriera la covertura, pero creo que mucho theropodos basales pequeños poseian integumento piloso.
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:iconjpcespedes:
JPCespedes Featured By Owner Aug 29, 2006
Seguramente sí. Mi juicio es puramente estético.
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August 24, 2006
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